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       <dc:date>2026-07-10T05:41:03+00:00</dc:date>
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                <rdf:li rdf:resource="https://wiki.php.net/rfc/pipe_assignment_operator?rev=1783660588&amp;do=diff"/>
                <rdf:li rdf:resource="https://wiki.php.net/rfc/readonly_property_defaults?rev=1783624181&amp;do=diff"/>
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    <item rdf:about="https://wiki.php.net/rfc/pipe_assignment_operator?rev=1783660588&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-10T05:16:28+00:00</dc:date>
        <dc:creator>cdwhite3 (cdwhite3@undisclosed.example.com)</dc:creator>
        <title>pipe_assignment_operator</title>
        <link>https://wiki.php.net/rfc/pipe_assignment_operator?rev=1783660588&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/10 05:00&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 9:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 9:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Introduction =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Introduction =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;PHP 8.4 introduced the pipe operator (&amp;#039;&amp;#039;|&amp;gt;&amp;#039;&amp;#039;), enabling functional-style transformation chains. A common pattern is piping a variable through transformations and assigning the result back to the same variable:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;PHP 8.4 introduced the pipe operator (&amp;#039;&amp;#039;|&amp;gt;&amp;#039;&amp;#039;), enabling functional-style transformation chains. A common pattern is piping a variable through transformations and assigning the result back to the same variable&lt;strong class=&quot;diff-mark&quot;&gt;. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;This RFC proposes &amp;#039;&amp;#039;|&amp;gt;=&amp;#039;&amp;#039;, a compound assignment form that eliminates the repetition, consistent with PHP&amp;#039;s existing compound assignment operators (&amp;#039;&amp;#039;+=&amp;#039;&amp;#039; , &amp;#039;&amp;#039;.=&amp;#039;&amp;#039;, &amp;#039;&amp;#039;??=&amp;#039;&amp;#039;, etc.)&lt;/strong&gt;:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;PHP&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;PHP&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;$this-&amp;gt;requestData = $this-&amp;gt;requestData &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;// Before &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160;&lt;/strong&gt;|&amp;gt; array_filter(...);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;$this-&amp;gt;requestData =&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;array_filter(&lt;/strong&gt;$this-&amp;gt;requestData&lt;strong class=&quot;diff-mark&quot;&gt;);&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;// or &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;$this-&amp;gt;requestData = $this-&amp;gt;requestData&amp;#160;&lt;/strong&gt;|&amp;gt; array_filter(...);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$headers = $headers&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$headers = $headers&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 19:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 22:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; |&amp;gt; (fn($h) =&amp;gt; array_filter($h, fn($v) =&amp;gt; $v !== &amp;#039;&amp;#039;))&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; |&amp;gt; (fn($h) =&amp;gt; array_filter($h, fn($v) =&amp;gt; $v !== &amp;#039;&amp;#039;))&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; |&amp;gt; array_values(...);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; |&amp;gt; array_values(...);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;/PHP&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;This RFC proposes &amp;#039;&amp;#039;|&amp;gt;=&amp;#039;&amp;#039;, a compound assignment form that eliminates the repetition, consistent with PHP&amp;#039;s existing compound assignment operators (&amp;#039;&amp;#039;+=&amp;#039;&amp;#039; , &amp;#039;&amp;#039;.=&amp;#039;&amp;#039;, &amp;#039;&amp;#039;??=&amp;#039;&amp;#039;, etc.): &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;// After&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;lt;PHP&amp;gt;&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$this-&amp;gt;requestData |&amp;gt;= array_filter(...);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$this-&amp;gt;requestData |&amp;gt;= array_filter(...);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/readonly_property_defaults?rev=1783624181&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-09T19:09:41+00:00</dc:date>
        <dc:creator>nicksdot (nicksdot@undisclosed.example.com)</dc:creator>
        <title>readonly_property_defaults - Improved un-/serialisation</title>
        <link>https://wiki.php.net/rfc/readonly_property_defaults?rev=1783624181&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/09 11:57&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 209:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 209:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/PHP&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/PHP&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;==== Interaction with serialisation ====&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;==== Interaction with serialisation ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Serialisation follows existing readonly property behaviour.&amp;#160;&lt;/strong&gt;A readonly property with a default value is initialised, hence included in the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;serialisation&lt;/strong&gt;.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Unserialisation without &amp;lt;php&amp;gt;__unserialize()&amp;lt;/php&amp;gt; continues&amp;#160;&lt;/strong&gt;to&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;use&amp;#160;&lt;/strong&gt;native object hydration&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;semantics&amp;#160;&lt;/strong&gt;and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;may restore a serialised value for such a property. If&amp;#160;&lt;/strong&gt;&amp;lt;php&amp;gt;__unserialize()&amp;lt;/php&amp;gt; is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;used, assignments in that method honour&amp;#160;&lt;/strong&gt;readonly&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;initialisation, like &amp;lt;php&amp;gt;ReflectionProperty::setValue()&amp;lt;/php&amp;gt;, so the default value &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;A readonly property with a default value is initialised, hence included in&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;serialised data. During unserialisation,&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;readonly property value may be restored from the serialised data&lt;/strong&gt;.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;This applies both&amp;#160;&lt;/strong&gt;to native object hydration and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;to assignments via&amp;#160;&lt;/strong&gt;&amp;lt;php&amp;gt;__unserialize()&amp;lt;/php&amp;gt;&lt;strong class=&quot;diff-mark&quot;&gt;. After unserialisation completes the property&amp;#160;&lt;/strong&gt;is readonly&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;again&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;cannot be overwritten&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;PHP&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;PHP&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 221:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 220:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; public readonly int $value = 1;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; public readonly int $value = 1;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;}&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;}&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;var_dump(serialize(new Counter)); // string(34) &amp;quot;O:7:&amp;quot;Counter&amp;quot;:1:{s:5:&amp;quot;value&amp;quot;;i:1;}&amp;quot;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;var_dump(unserialize(&amp;#039;O:7:&amp;quot;Counter&amp;quot;:0:{}&amp;#039;)-&amp;gt;value); // int(1)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;var_dump(unserialize(&amp;#039;O:7:&amp;quot;Counter&amp;quot;:0:{}&amp;#039;)-&amp;gt;value); // int(1)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;var_dump(unserialize(&amp;#039;O:7:&amp;quot;Counter&amp;quot;:1:{s:5:&amp;quot;value&amp;quot;;i:2;}&amp;#039;)-&amp;gt;value); // int(2)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;var_dump(unserialize(&amp;#039;O:7:&amp;quot;Counter&amp;quot;:1:{s:5:&amp;quot;value&amp;quot;;i:2;}&amp;#039;)-&amp;gt;value); // int(2)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;final class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;CounterWithUnserialize&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;?&amp;gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;lt;/PHP&amp;gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;lt;PHP&amp;gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;lt;?php &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;final class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Counter&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;{&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;{&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160;&amp;#160;&lt;/strong&gt;public readonly int $value = 1;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160;&amp;#160;&lt;/strong&gt;public readonly int $value = 1;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160;&amp;#160;&lt;/strong&gt;public function __unserialize(array $data): void { &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160;&amp;#160;&lt;/strong&gt;public function __unserialize(array $data): void { &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160; &amp;#160;&lt;/strong&gt;$this-&amp;gt;&lt;strong class=&quot;diff-mark&quot;&gt;value&amp;#160;&lt;/strong&gt;= $&lt;strong class=&quot;diff-mark&quot;&gt;data[&amp;#039;&lt;/strong&gt;value&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;]&lt;/strong&gt;; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160;foreach ($data as $key =&amp;gt; $value) { &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160;&lt;/strong&gt;}&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;&amp;#160;&lt;/strong&gt;$this-&amp;gt;&lt;strong class=&quot;diff-mark&quot;&gt;{$key}&amp;#160;&lt;/strong&gt;= $value; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160; &amp;#160; &amp;#160;} &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; &amp;#160;&amp;#160;&lt;/strong&gt;}&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;}&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;}&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;unserialize&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&lt;/strong&gt;O:&lt;strong class=&quot;diff-mark&quot;&gt;22&lt;/strong&gt;:&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;CounterWithUnserialize&lt;/strong&gt;&amp;quot;:1:{s:5:&amp;quot;value&amp;quot;;i:&lt;strong class=&quot;diff-mark&quot;&gt;2&lt;/strong&gt;;}&amp;#039;);&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;var_dump&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;serialize(new Counter)); // string(34) &amp;quot;&lt;/strong&gt;O:&lt;strong class=&quot;diff-mark&quot;&gt;7&lt;/strong&gt;:&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;Counter&lt;/strong&gt;&amp;quot;:1:{s:5:&amp;quot;value&amp;quot;;i:&lt;strong class=&quot;diff-mark&quot;&gt;1&lt;/strong&gt;;&lt;strong class=&quot;diff-mark&quot;&gt;}&amp;quot; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;//&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Error&lt;/strong&gt;:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Cannot modify readonly property CounterWithUnserialize&lt;/strong&gt;::&lt;strong class=&quot;diff-mark&quot;&gt;$&lt;/strong&gt;value&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;var_dump(unserialize(&amp;#039;O:7:&amp;quot;Counter&amp;quot;:0:{&lt;/strong&gt;}&amp;#039;&lt;strong class=&quot;diff-mark&quot;&gt;)-&amp;gt;value&lt;/strong&gt;); //&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;int(1) &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;var_dump(unserialize(&amp;#039;O&lt;/strong&gt;:&lt;strong class=&quot;diff-mark&quot;&gt;7&lt;/strong&gt;:&lt;strong class=&quot;diff-mark&quot;&gt;&amp;quot;Counter&amp;quot;&lt;/strong&gt;:&lt;strong class=&quot;diff-mark&quot;&gt;1:{s:5:&amp;quot;&lt;/strong&gt;value&lt;strong class=&quot;diff-mark&quot;&gt;&amp;quot;;i:2;}&amp;#039;)-&amp;gt;value); // int(2)&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;?&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;?&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 351:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 362:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-07-04: Initial version.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-07-04: Initial version.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-07-09: Improved examples &amp;amp; formatting.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-07-09: Improved examples &amp;amp; formatting.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * 2026-07-09: Improved un-/serialisation&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/ext-gd-2.4?rev=1783601952&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-09T12:59:12+00:00</dc:date>
        <dc:creator>pajoye (pajoye@undisclosed.example.com)</dc:creator>
        <title>ext-gd-2.4</title>
        <link>https://wiki.php.net/rfc/ext-gd-2.4?rev=1783601952&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/09 11:04&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 3:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 3:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-07-06&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-07-06&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Author: pajoye@php.net&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Author: pajoye@php.net&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Status: Draft&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;(Later in the RFC process &amp;quot;Under Discussion&amp;quot;, &amp;quot;Voting&amp;quot;, and finally &amp;quot;Accepted&amp;quot;, &amp;quot;Declined&amp;quot; or &amp;quot;Implemented&amp;quot;)&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Status: Draft &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Implementation:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;https://github.com/...&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Implementation:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;to be added once the sync PR is merged&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Discussion thread:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;https://news-web.php.net/php.internals/… (The email should appear on https://news-web.php.net/php.internals/ a few minutes after sending it)&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Discussion thread:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;tbd&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Voting thread: tbd&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Voting thread: tbd&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/deprecations_php_8_6?rev=1783596114&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-09T11:21:54+00:00</dc:date>
        <dc:creator>edorian (edorian@undisclosed.example.com)</dc:creator>
        <title>deprecations_php_8_6 - Removed deprecation as per ML discussion</title>
        <link>https://wiki.php.net/rfc/deprecations_php_8_6?rev=1783596114&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/09 07:47&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 5:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 5:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Jordi Kroon &amp;lt;jordikroon@php.net&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Jordi Kroon &amp;lt;jordikroon@php.net&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Weilin Du &amp;lt;weilindu@php.net&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Weilin Du &amp;lt;weilindu@php.net&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; &amp;#160; * Volker Dusch &amp;lt;edorian@php.net&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Tim Düsterhus &amp;lt;timwolla@php.net&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Tim Düsterhus &amp;lt;timwolla@php.net&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Osama Aldemeery &amp;lt;aldemeery@gmail.com&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; * Osama Aldemeery &amp;lt;aldemeery@gmail.com&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 173:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 172:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/doodle&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/doodle&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;==== Deprecate changing by-reference return modifier via inheritance ====&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Author: Volker Dusch &amp;lt;edorian@php.net&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;PHP currently permits a child class to override an inherited method while flipping its return-by-reference modifier, changing a fundamental aspect of the method&amp;#039;s calling convention.&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;PHP&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;class A {&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; &amp;#160; public function get() { /* by value */ }&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;}&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;class B extends A {&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; &amp;#160; public function &amp;amp;get() { /* by reference */ }&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;}&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;/PHP&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;A caller holding an &amp;lt;php&amp;gt;A&amp;lt;/php&amp;gt; cannot tell, without reflection, whether the result of &amp;lt;php&amp;gt;$obj-&amp;gt;get()&amp;lt;/php&amp;gt; could be reference. Given the issues with by-reference semantics and &amp;lt;php&amp;gt;foreach&amp;lt;/php&amp;gt; this is an issue, and a LSP violation.&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;This proposal deprecates declaring an overriding method whose return-by-reference modifier differs from the parent&amp;#039;s. Interfaces and abstract methods are covered by the same rule.&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;If accepted, such a declaration will emit a deprecation notice at the point the child class is declared:&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;blockquote&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;Deprecated: Declaration of B::&amp;amp;get() should match A::get() (return-by-reference modifier differs)&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;/blockquote&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;doodle title=&amp;quot;Deprecate changing by-reference return modifier via inheritance?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;true&amp;quot; closeon=&amp;quot;2026-01-01T15:30:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; &amp;#160;* Yes&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; &amp;#160;* No&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; &amp;#160;* Abstain&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;/doodle&amp;gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Deprecate using certain names as identifiers to reserve them as keywords ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Deprecate using certain names as identifiers to reserve them as keywords ====&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/function-autoloading-five-oh?rev=1783442345&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-07T16:39:05+00:00</dc:date>
        <dc:creator>pmjones (pmjones@undisclosed.example.com)</dc:creator>
        <title>function-autoloading-five-oh - add strict_namespace and shadow-global prevalence research</title>
        <link>https://wiki.php.net/rfc/function-autoloading-five-oh?rev=1783442345&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/07 16:39&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 235:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 235:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== How common is the shadow-global case? ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== How common is the shadow-global case? ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;Having said all that, the shadow-global case is not common. I researched the top 1000 packages on Packagist&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;(981 with analyzable source, roughly 161,000 files)&lt;/strong&gt;, tracking three things:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Having said all that, the shadow-global case is not common. I researched the top 1000 packages on Packagist, tracking three things:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * unqualified calls to a builtin-named function inside a namespace;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * unqualified calls to a builtin-named function inside a namespace;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/third_party_ext_documentation?rev=1783323283&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-06T07:34:43+00:00</dc:date>
        <dc:creator>jordikroon (jordikroon@undisclosed.example.com)</dc:creator>
        <title>third_party_ext_documentation</title>
        <link>https://wiki.php.net/rfc/third_party_ext_documentation?rev=1783323283&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/04 09:31&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 207:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 207:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Primary Vote requiring a 2/3 majority to accept the RFC:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Primary Vote requiring a 2/3 majority to accept the RFC:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;doodle title=&amp;quot;Move third-party extension documentation out of the official PHP manual?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;false&lt;/strong&gt;&amp;quot; closeon=&amp;quot;2026-07-03T18:00:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;lt;doodle title=&amp;quot;Move third-party extension documentation out of the official PHP manual?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;true&lt;/strong&gt;&amp;quot; closeon=&amp;quot;2026-07-03T18:00:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* Yes&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* Yes&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* No&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* No&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 214:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 214:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Secondary Vote (simple majority, only counted if primary passes). If there&amp;#039;s a tie, this will default to &amp;quot;contrib.php.net (subdomain)&amp;quot;:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Secondary Vote (simple majority, only counted if primary passes). If there&amp;#039;s a tie, this will default to &amp;quot;contrib.php.net (subdomain)&amp;quot;:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;doodle title=&amp;quot;Where should third-party documentation be hosted?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;false&lt;/strong&gt;&amp;quot; closeon=&amp;quot;2026-07-03T18:00:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;lt;doodle title=&amp;quot;Where should third-party documentation be hosted?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;true&lt;/strong&gt;&amp;quot; closeon=&amp;quot;2026-07-03T18:00:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* contrib.php.net (subdomain)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* contrib.php.net (subdomain)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* www.php.net/manual/extensions/ (subpath)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* www.php.net/manual/extensions/ (subpath)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 221:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 221:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Secondary Vote (simple majority, only counted if primary passes). If there&amp;#039;s a tie, this will default to &amp;quot;Remove notes&amp;quot;:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Secondary Vote (simple majority, only counted if primary passes). If there&amp;#039;s a tie, this will default to &amp;quot;Remove notes&amp;quot;:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;lt;doodle title=&amp;quot;How should existing user notes be handled during migration?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;false&lt;/strong&gt;&amp;quot; closeon=&amp;quot;2026-07-03T18:00:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;lt;doodle title=&amp;quot;How should existing user notes be handled during migration?&amp;quot; voteType=&amp;quot;single&amp;quot; closed=&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;true&lt;/strong&gt;&amp;quot; closeon=&amp;quot;2026-07-03T18:00:00Z&amp;quot;&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* Remove notes&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* Remove notes&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* Migrate notes to the new location&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160;* Migrate notes to the new location&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/?image=rfc%3Agradient_art.png&amp;ns=rfc&amp;rev=1783319544&amp;tab_details=history&amp;media_do=diff&amp;do=media">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-06T06:32:24+00:00</dc:date>
        <dc:creator>pajoye (pajoye@undisclosed.example.com)</dc:creator>
        <title>gradient_art.png - created</title>
        <link>https://wiki.php.net/?image=rfc%3Agradient_art.png&amp;ns=rfc&amp;rev=1783319544&amp;tab_details=history&amp;media_do=diff&amp;do=media</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th width=&quot;50%&quot;&gt;&lt;/th&gt;&lt;th width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align=&quot;center&quot;&gt;&lt;/td&gt;&lt;td align=&quot;center&quot;&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/?image=rfc%3Atiger.png&amp;ns=rfc&amp;rev=1783319523&amp;tab_details=history&amp;media_do=diff&amp;do=media">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-06T06:32:03+00:00</dc:date>
        <dc:creator>pajoye (pajoye@undisclosed.example.com)</dc:creator>
        <title>tiger.png - created</title>
        <link>https://wiki.php.net/?image=rfc%3Atiger.png&amp;ns=rfc&amp;rev=1783319523&amp;tab_details=history&amp;media_do=diff&amp;do=media</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th width=&quot;50%&quot;&gt;&lt;/th&gt;&lt;th width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align=&quot;center&quot;&gt;&lt;/td&gt;&lt;td align=&quot;center&quot;&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/?image=rfc%3Agradient_operators.png&amp;ns=rfc&amp;rev=1783319496&amp;tab_details=history&amp;media_do=diff&amp;do=media">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-06T06:31:36+00:00</dc:date>
        <dc:creator>pajoye (pajoye@undisclosed.example.com)</dc:creator>
        <title>gradient_operators.png - created</title>
        <link>https://wiki.php.net/?image=rfc%3Agradient_operators.png&amp;ns=rfc&amp;rev=1783319496&amp;tab_details=history&amp;media_do=diff&amp;do=media</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th width=&quot;50%&quot;&gt;&lt;/th&gt;&lt;th width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align=&quot;center&quot;&gt;&lt;/td&gt;&lt;td align=&quot;center&quot;&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/grapheme_mask?rev=1783257891&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-05T13:24:51+00:00</dc:date>
        <dc:creator>sepehrphp (sepehrphp@undisclosed.example.com)</dc:creator>
        <title>grapheme_mask - add pr link</title>
        <link>https://wiki.php.net/rfc/grapheme_mask?rev=1783257891&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/01 19:17&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 7:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 7:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * First Published at: http://wiki.php.net/rfc/grapheme_mask&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * First Published at: http://wiki.php.net/rfc/grapheme_mask&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Discussion: https://news-web.php.net/php.internals/130522&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Discussion: https://news-web.php.net/php.internals/130522&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; * pr link:https://github.com/php/php-src/pull/22605&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Introduction =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Introduction =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;In modern web applications, handling Personally Identifiable Information (PII) securely is a critical requirement. Developers frequently need to obfuscate or mask sensitive data such as phone numbers, email addresses, national IDs, or partial credit card numbers before logging them or displaying them to users (e.g., to comply with privacy regulations).&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;In modern web applications, handling Personally Identifiable Information (PII) securely is a critical requirement. Developers frequently need to obfuscate or mask sensitive data such as phone numbers, email addresses, national IDs, or partial credit card numbers before logging them or displaying them to users (e.g., to comply with privacy regulations).&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc?rev=1783218872&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-05T02:34:32+00:00</dc:date>
        <dc:creator>nicksdot (nicksdot@undisclosed.example.com)</dc:creator>
        <title>rfc - Added &quot;Readonly Property Defaults&quot; to &quot;Under Discussion&quot;</title>
        <link>https://wiki.php.net/rfc?rev=1783218872&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/10 04:00&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 19:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 19:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;This section is for RFCs that have been announced on the PHP &amp;quot;internals&amp;quot; mail list.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;This section is for RFCs that have been announced on the PHP &amp;quot;internals&amp;quot; mail list.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * [[rfc:pipe_assignment_operator|Pipe Assignment Operator]] (created 2026-07-09, Discussion started 2026-07-09)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:readonly_property_defaults|Readonly Property Defaults]] (Created 2026-07-04, Discussion started 2026-07-04)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:readonly_property_defaults|Readonly Property Defaults]] (Created 2026-07-04, Discussion started 2026-07-04)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:grapheme_mask|Grapheme Mask]] (Created 2026-06-25)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:grapheme_mask|Grapheme Mask]] (Created 2026-06-25)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 76:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 77:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;This section is for early drafts of RFCs that have NOT been announced on the PHP &amp;quot;internals&amp;quot; mail list.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;This section is for early drafts of RFCs that have NOT been announced on the PHP &amp;quot;internals&amp;quot; mail list.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * [[rfc:pipe_assignment_operator|Pipe Assignment Operator]] (created 2026-07-09)&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:reflectionattribute-getcurrent|Add ReflectionAttribute::getCurrent()]] (created 2026-04-19, discussion started 2026-05-04)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:reflectionattribute-getcurrent|Add ReflectionAttribute::getCurrent()]] (created 2026-04-19, discussion started 2026-05-04)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:deprecated_interfaces|#[\Deprecated] for interfaces]] (created 2026-05-10)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[rfc:deprecated_interfaces|#[\Deprecated] for interfaces]] (created 2026-05-10)&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/working_groups?rev=1783183178&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-04T16:39:38+00:00</dc:date>
        <dc:creator>ramsey (ramsey@undisclosed.example.com)</dc:creator>
        <title>working_groups</title>
        <link>https://wiki.php.net/rfc/working_groups?rev=1783183178&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/04 16:13&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 10:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 10:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;For over 30 years, the PHP Project has thrived through the individual efforts of its contributors, and the RFC process has proven effective for making technical changes to the language. The operational side has not received the same attention: infrastructure management, website maintenance, contributor onboarding, and community outreach, among others. These efforts rely on informal arrangements with no clear ownership, no defined membership, and no standard way for new volunteers to get involved.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;For over 30 years, the PHP Project has thrived through the individual efforts of its contributors, and the RFC process has proven effective for making technical changes to the language. The operational side has not received the same attention: infrastructure management, website maintenance, contributor onboarding, and community outreach, among others. These efforts rely on informal arrangements with no clear ownership, no defined membership, and no standard way for new volunteers to get involved.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;This RFC proposes a Working Groups policy that establishes a framework for creating, operating, and dissolving working groups within the PHP Project. Each working group&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;would be&amp;#160;&lt;/strong&gt;chartered through the PHP RFC process, with a defined purpose, duration, membership process, and communication plan. An approved charter grants the group authority to operate autonomously within its scope, while the RFC process remains required for language and policy changes.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;This RFC proposes a Working Groups policy that establishes a framework for creating, operating, and dissolving working groups within the PHP Project. Each working group&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;is&amp;#160;&lt;/strong&gt;chartered through the PHP RFC process, with a defined purpose, duration, membership process, and communication plan. An approved charter grants the group authority to operate autonomously within its scope, while the RFC process remains required for language and policy changes.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Working Groups Policy =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Working Groups Policy =====&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/serializable_closures?rev=1783154530&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-04T08:42:10+00:00</dc:date>
        <dc:creator>nicolasgrekas (nicolasgrekas@undisclosed.example.com)</dc:creator>
        <title>serializable_closures</title>
        <link>https://wiki.php.net/rfc/serializable_closures?rev=1783154530&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/01 08:34&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 1:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 1:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;====== PHP RFC: Serializable closures, by reference to the code that declares them ======&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;====== PHP RFC: Serializable closures, by reference to the code that declares them ======&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Version: 0.&lt;strong class=&quot;diff-mark&quot;&gt;1&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Version: 0.&lt;strong class=&quot;diff-mark&quot;&gt;2&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-06-10&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-06-10&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Author: Nicolas Grekas &amp;lt;nicolasgrekas@php.net&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Author: Nicolas Grekas &amp;lt;nicolasgrekas@php.net&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Status:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Draft&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Status:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Under Discussion&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * First Published at: https://wiki.php.net/rfc/serializable_closures&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * First Published at: https://wiki.php.net/rfc/serializable_closures&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Mailing List Thread: https://news-web.php.net/php.internals/131198&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Mailing List Thread: https://news-web.php.net/php.internals/131198&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 102:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 102:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * including when nested in further closures declared there.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * including when nested in further closures declared there.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;The payload is a reference to the declaration site, made of the **declaring class name**,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;The payload is a reference to the declaration site, made of the **declaring class name**,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;an&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;**&lt;strong class=&quot;diff-mark&quot;&gt;stable&amp;#160;&lt;/strong&gt;id**, and the **start line** of the closure (used as a staleness check):&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;**&lt;strong class=&quot;diff-mark&quot;&gt;element-scoped&amp;#160;&lt;/strong&gt;id**, and the **start line** of the closure (used as a staleness check):&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code php&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code php&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 110:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 110:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$payload = serialize($closure);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$payload = serialize($closure);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;// O:7:&amp;quot;Closure&amp;quot;:3:{s:5:&amp;quot;class&amp;quot;;s:5:&amp;quot;Order&amp;quot;;s:2:&amp;quot;id&amp;quot;;&lt;strong class=&quot;diff-mark&quot;&gt;i&lt;/strong&gt;:0;s:4:&amp;quot;line&amp;quot;;i:3;}&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;// O:7:&amp;quot;Closure&amp;quot;:3:{s:5:&amp;quot;class&amp;quot;;s:5:&amp;quot;Order&amp;quot;;s:2:&amp;quot;id&amp;quot;;&lt;strong class=&quot;diff-mark&quot;&gt;s&lt;/strong&gt;:&lt;strong class=&quot;diff-mark&quot;&gt;17:&amp;quot;$billingAddress@&lt;/strong&gt;0&lt;strong class=&quot;diff-mark&quot;&gt;&amp;quot;&lt;/strong&gt;;s:4:&amp;quot;line&amp;quot;;i:3;}&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$again = unserialize($payload);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$again = unserialize($payload);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 122:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 122:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;php&amp;gt;ReflectionAttribute::getArguments()&amp;lt;/php&amp;gt; return two instances today.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;php&amp;gt;ReflectionAttribute::getArguments()&amp;lt;/php&amp;gt; return two instances today.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;**The id is deterministic.** It is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the closure&lt;/strong&gt;&amp;#039;&lt;strong class=&quot;diff-mark&quot;&gt;s&amp;#160;&lt;/strong&gt;rank&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;among all closure-declaring constant&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;**The id is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;element-scoped and&amp;#160;&lt;/strong&gt;deterministic.** It is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;an opaque&amp;#160;&lt;/strong&gt;&amp;#039;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;quot;&amp;lt;site&amp;gt;@&amp;lt;&lt;/strong&gt;rank&lt;strong class=&quot;diff-mark&quot;&gt;&amp;gt;&amp;quot;&amp;#039;&amp;#039; string:&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;expressions of&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;class&amp;#160;&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;anonymous declarations and first-&lt;/strong&gt;class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;callable references alike&lt;/strong&gt;), &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;&amp;lt;site&amp;gt;&amp;#039;&amp;#039; names&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;declaring reflection element&amp;#160;&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;the empty string for the&amp;#160;&lt;/strong&gt;class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;itself, a &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;counted in a fixed declaration-order traversal&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;of the class&amp;#160;&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;class&amp;#160;&lt;/strong&gt;attributes first, then &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;constant or enum-case name, &amp;#039;&amp;#039;$prop&amp;#039;&amp;#039; for a property, &amp;#039;&amp;#039;$prop::get(&lt;/strong&gt;)&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039; / &amp;#039;&amp;#039;$prop::set()&amp;#039;&amp;#039; for a &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;constants, properties and hooks, then methods with their parameter lists&lt;/strong&gt;). It is derived from&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;property hook&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;name()&amp;#039;&amp;#039; for a method, with a method&amp;#039;s parameters folded into the method), and&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;the compiled class alone, never from runtime state, evaluation order or caches&lt;strong class=&quot;diff-mark&quot;&gt;, which is where &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;&amp;lt;rank&amp;gt;&amp;#039;&amp;#039; is the closure&amp;#039;s position among the closures of //that one element//,&amp;#160;&lt;/strong&gt;counted in a&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;its stability comes from&lt;/strong&gt;: every process running the same source computes the same&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;rank&lt;/strong&gt;, with or&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;fixed declaration-order traversal (attributes first, then&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;parameter default values, nesting&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;without opcache.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;The flip side&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;that editing&amp;#160;&lt;/strong&gt;the class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;may renumber&amp;#160;&lt;/strong&gt;the ranks&lt;strong class=&quot;diff-mark&quot;&gt;. References&amp;#160;&lt;/strong&gt;are&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;depth-first&lt;/strong&gt;). It is derived from the compiled class alone, never from runtime state, evaluation&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;therefore validated when they resolve (see below) and must be treated like the cache artifacts&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;order or caches: every process running the same source computes the same&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id&lt;/strong&gt;, with or without&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;they are embedded in: valid for the code revision that produced them, and per PHP version.&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;opcache.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Because each element&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;numbered independently, adding, removing or reordering a closure &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;Userland should obtain ids from the engine (see the Reflection API below) rather than compute&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;in one element does not renumber the closures of any other element, and resolution locates the one &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;them.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;named element instead of scanning&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;whole&amp;#160;&lt;/strong&gt;class&lt;strong class=&quot;diff-mark&quot;&gt;. Editing&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;//declaring// element can still &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;shift its&amp;#160;&lt;/strong&gt;ranks&lt;strong class=&quot;diff-mark&quot;&gt;; references&amp;#160;&lt;/strong&gt;are therefore validated when they resolve (see below) and must be&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;treated like the cache artifacts they are embedded in: valid for the code revision that produced&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;them, and per PHP version. Userland should obtain ids from the engine (see the Reflection API&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;below) rather than compute them&lt;strong class=&quot;diff-mark&quot;&gt;, but the grammar is deliberately reproducible so that userland &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;polyfills on PHP 8.5 can mint and resolve the same references (see the Rationale). &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;First-class callable references share the same &amp;#039;&amp;#039;&amp;quot;&amp;lt;site&amp;gt;@&amp;lt;key&amp;gt;&amp;quot;&amp;#039;&amp;#039; grammar with a different key: &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;the callable&amp;#039;s name instead of a rank (next section)&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;When the class&amp;#039;s source changes, a stored reference either stops resolving or is rejected by the&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;When the class&amp;#039;s source changes, a stored reference either stops resolving or is rejected by the&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 142:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 150:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;A first-class callable in a constant expression is a closure declaration site like any other:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;A first-class callable in a constant expression is a closure declaration site like any other:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;the class&amp;#039;s source declares, at a fixed position, &amp;quot;a closure over this callable&amp;quot;. Closures&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;the class&amp;#039;s source declares, at a fixed position, &amp;quot;a closure over this callable&amp;quot;. Closures&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;created by evaluating such a reference serialize with the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;**&lt;/strong&gt;same payload&lt;strong class=&quot;diff-mark&quot;&gt;**&amp;#160;&lt;/strong&gt;as&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;anonymous&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;created by evaluating such a reference serialize with the same&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;{class, id}&amp;#039;&amp;#039;&amp;#160;&lt;/strong&gt;payload&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;shape&amp;#160;&lt;/strong&gt;as &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;declarations: the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;declaring class&lt;/strong&gt;, the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id&lt;/strong&gt;, the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;start&amp;#160;&lt;/strong&gt;line. The engine tracks&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;this&amp;#160;&lt;/strong&gt;provenance&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;anonymous&amp;#160;&lt;/strong&gt;declarations&lt;strong class=&quot;diff-mark&quot;&gt;, with one difference&lt;/strong&gt;: the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;key after &amp;#039;&amp;#039;@&amp;#039;&amp;#039; is not a rank but the &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;when it evaluates the constant expression; an identical-looking closure created at runtime does&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;**name of the referenced callable**&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;in PHP&amp;#039;s callable-string syntax, so these references carry &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;not have it and refuses to serialize.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;no positional component at all. The &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;class part of&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;key is the late static binding scope&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;which is what distinguishes&amp;#160;&lt;/strong&gt;the&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;self::&amp;#039;&amp;#039; and &amp;#039;&amp;#039;parent::&amp;#039;&amp;#039; forms. There is no&amp;#160;&lt;/strong&gt;line&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;field either: a name cannot drift silently, &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;so no tripwire is needed&lt;/strong&gt;. The engine tracks&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the&amp;#160;&lt;/strong&gt;provenance when it evaluates the constant&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;expression; an identical-looking closure created at runtime does not have it and refuses to&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;serialize.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code php&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code php&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 158:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 171:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$closure = /* from ReflectionAttribute::getArguments() */;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;$closure = /* from ReflectionAttribute::getArguments() */;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;serialize($closure);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;serialize($closure);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;// O:7:&amp;quot;Closure&amp;quot;:&lt;strong class=&quot;diff-mark&quot;&gt;3&lt;/strong&gt;:{s:5:&amp;quot;class&amp;quot;;s:5:&amp;quot;Order&amp;quot;;s:2:&amp;quot;id&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;;i:0&lt;/strong&gt;;s:&lt;strong class=&quot;diff-mark&quot;&gt;4&lt;/strong&gt;:&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;line&amp;quot;;i&lt;/strong&gt;:&lt;strong class=&quot;diff-mark&quot;&gt;3&lt;/strong&gt;;}&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;// O:7:&amp;quot;Closure&amp;quot;:&lt;strong class=&quot;diff-mark&quot;&gt;2&lt;/strong&gt;:{s:5:&amp;quot;class&amp;quot;;s:5:&amp;quot;Order&amp;quot;;s:2:&amp;quot;id&amp;quot;;s:&lt;strong class=&quot;diff-mark&quot;&gt;31&lt;/strong&gt;:&amp;quot;&lt;strong class=&quot;diff-mark&quot;&gt;$billingAddress@Order&lt;/strong&gt;:&lt;strong class=&quot;diff-mark&quot;&gt;:isStrict&amp;quot;&lt;/strong&gt;;}&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/code&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/code&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;Resolution&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;re-evaluates&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;declared&amp;#160;&lt;/strong&gt;reference in the scope of the declaring class, exactly like&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Resolution&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;locates&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;named element, checks that it declares a first-class callable&amp;#160;&lt;/strong&gt;reference&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;attribute evaluation does. Two important properties follow:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;matching the key, and evaluates //that declaration//&amp;#160;&lt;/strong&gt;in the scope of the declaring class,&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;exactly like attribute evaluation does&lt;strong class=&quot;diff-mark&quot;&gt;. The name is the address; the declaration is the guard: &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;&amp;quot;$billingAddress@system&amp;quot;&amp;#039;&amp;#039; does not resolve, because that property declares no such &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;reference&lt;/strong&gt;. Two important properties follow:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **Any visibility works**, because the site&amp;#039;s own access rules are simply re-run: a private or protected helper referenced from an attribute of its own class (as above, an idiomatic pattern since validation helpers have no reason to be public) round-trips fine, while a forged payload gains nothing: it can only designate references that the class legitimately declares.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **Any visibility works**, because the site&amp;#039;s own access rules are simply re-run: a private or protected helper referenced from an attribute of its own class (as above, an idiomatic pattern since validation helpers have no reason to be public) round-trips fine, while a forged payload gains nothing: it can only designate references that the class legitimately declares.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * **Late static binding is preserved**: &amp;#039;&amp;#039;self::&amp;#039;&amp;#039;&lt;strong class=&quot;diff-mark&quot;&gt;,&amp;#160;&lt;/strong&gt;&amp;#039;&amp;#039;parent::&amp;#039;&amp;#039;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;and explicit&amp;#160;&lt;/strong&gt;class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;names resolve&amp;#160;&lt;/strong&gt;exactly as&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;they did when&amp;#160;&lt;/strong&gt;the attribute&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;was evaluated&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;since it&amp;#160;&lt;/strong&gt;is the same&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;evaluation&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * **Late static binding is preserved**&lt;strong class=&quot;diff-mark&quot;&gt;, and the key makes it visible&lt;/strong&gt;: &amp;#039;&amp;#039;self::&lt;strong class=&quot;diff-mark&quot;&gt;isStrict(%%...%%)&lt;/strong&gt;&amp;#039;&amp;#039;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;declared by &amp;#039;&amp;#039;Order&amp;#039;&amp;#039; yields &amp;#039;&amp;#039;@Order::isStrict&amp;#039;&amp;#039; while a&amp;#160;&lt;/strong&gt;&amp;#039;&amp;#039;parent::&amp;#039;&amp;#039;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;reference yields the parent&amp;#160;&lt;/strong&gt;class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;in the key, and each resolves&amp;#160;&lt;/strong&gt;exactly as the attribute&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;evaluation did. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Because the key is a name&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;these references are insensitive to every edit except removing the &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;reference itself, renaming its target, or renaming the declaring element, and each of those &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;fails loudly, by name. Several references to the same callable are indistinguishable by &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;construction (the callable string fully determines the closure), so no ordinal&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;ever needed; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;when several elements of a class declare&amp;#160;&lt;/strong&gt;the same&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;callable, equivalent closures re-serialize to &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;the first declaring element in declaration order, a normalization with no observable effect &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;since the closures are identical&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;This works uniformly for functions (&amp;#039;&amp;#039;strlen(%%...%%)&amp;#039;&amp;#039;), own methods (&amp;#039;&amp;#039;self::isStrict(%%...%%)&amp;#039;&amp;#039;),&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;This works uniformly for functions (&amp;#039;&amp;#039;strlen(%%...%%)&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;, keyed as &amp;#039;&amp;#039;&amp;quot;$p@strlen&amp;quot;&lt;/strong&gt;&amp;#039;&amp;#039;), own methods&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;and cross-class references (&amp;#039;&amp;#039;Validators::check(%%...%%)&amp;#039;&amp;#039;), in attribute arguments and parameter&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;(&amp;#039;&amp;#039;self::isStrict(%%...%%)&amp;#039;&amp;#039;), and cross-class references (&amp;#039;&amp;#039;Validators::check(%%...%%)&amp;#039;&amp;#039;), in&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;default values alike.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;attribute arguments and parameter default values alike.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== What stays non-serializable ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== What stays non-serializable ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 193:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 217:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Security model ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Security model ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;The payload contains **a class name and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;two integers&lt;/strong&gt;, never code**. Resolution can only ever&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;The payload contains **a class name&lt;strong class=&quot;diff-mark&quot;&gt;, a site id&amp;#160;&lt;/strong&gt;and,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;for anonymous closures, a line number: &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;produce a closure that the named class&amp;#039;s own source declares in one of its constant&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;never code**. Resolution can only ever produce a closure that the named class&amp;#039;s own source&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;expressions: there is nothing else a payload can express. &amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; is not a closure&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;declares in one of its constant expressions: there is nothing else a payload can express.&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;factory over the code base; it is a lookup into the fixed, finite set of closures that classes&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; is not a closure factory over the code base; it is a lookup into the fixed,&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;declare about themselves.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;finite set of closures that classes declare about themselves.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;A forged payload can therefore at worst point at&amp;#160;&lt;/strong&gt;a //&lt;strong class=&quot;diff-mark&quot;&gt;different&lt;/strong&gt;// declared closure, the same&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Unserializing&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;closure is inert: unlike objects, whose deserialization hooks and destructors &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;class of risk as unserializing an enum case&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;name or a class&amp;#160;&lt;/strong&gt;name today, and far less than what&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;run, nothing executes when the closure is created. But inertness is not the property that &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; already allows through &amp;#039;&amp;#039;%%__wakeup()%%&amp;#039;&amp;#039; gadgets. Visibility needs no special&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;matters here, because the very purpose of the target use cases is to unserialize a closure and &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;rule: resolving a first-class callable site re-runs the same accessibility checks, in the same&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;then&amp;#160;&lt;/strong&gt;//&lt;strong class=&quot;diff-mark&quot;&gt;call&lt;/strong&gt;//&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;it. Once it is called, everything reduces to which callables a payload can name. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;scope, that attribute evaluation runs, so a reference resolves for the reader exactly when the&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Bounded to&amp;#160;&lt;/strong&gt;declared&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;references, a forged payload can at worst swap one&amp;#160;&lt;/strong&gt;closure&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a class declares &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;declaration is legal for the declarer. And the existing&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;for another&lt;/strong&gt;, the same class of risk as unserializing an enum case name today, and far less than&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;what &amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; already allows through &amp;#039;&amp;#039;%%__wakeup()%%&amp;#039;&amp;#039; gadgets.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Unbounded name-based &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;resolution would instead make a payload naming &amp;#039;&amp;#039;system&amp;#039;&amp;#039; a universal call gadget shipped in &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;the engine: no application-specific gadget chain required, effective against any application &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;that unserializes untrusted data and later invokes the result. Keeping the resolution bounded is &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;the same defense-in-depth stance that added &amp;#039;&amp;#039;allowed_classes&amp;#039;&amp;#039; even though &amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;is documented as unsafe on untrusted input. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Visibility needs no special rule: resolving a first-class callable site re-runs the same&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;accessibility checks, in the same scope, that attribute evaluation runs, so a reference resolves&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;for the reader exactly when the declaration is legal for the declarer. And the existing&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#039;&amp;#039;allowed_classes&amp;#039;&amp;#039; hardening applies unchanged: with&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#039;&amp;#039;allowed_classes&amp;#039;&amp;#039; hardening applies unchanged: with&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#039;&amp;#039;unserialize($data, [&amp;#039;allowed_classes&amp;#039; =&amp;gt; [...]])&amp;#039;&amp;#039; not listing &amp;lt;php&amp;gt;Closure&amp;lt;/php&amp;gt;, these&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#039;&amp;#039;unserialize($data, [&amp;#039;allowed_classes&amp;#039; =&amp;gt; [...]])&amp;#039;&amp;#039; not listing &amp;lt;php&amp;gt;Closure&amp;lt;/php&amp;gt;, these&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 214:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 248:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;Invalid serialization data for Closure object (constant-expression closure 3 of class Order not found)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Invalid serialization data for Closure object (constant-expression closure&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;quot;$billingAddress@&lt;/strong&gt;3&lt;strong class=&quot;diff-mark&quot;&gt;&amp;quot; of class Order not found) &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Invalid serialization data for Closure object (constant-expression closure &amp;quot;$billingAddress@Order::isStrict&amp;quot;&amp;#160;&lt;/strong&gt;of class Order not found)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Invalid serialization data for Closure object (cannot load class &amp;quot;Order&amp;quot;)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Invalid serialization data for Closure object (cannot load class &amp;quot;Order&amp;quot;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/code&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/code&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 223:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 258:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;recreates the closure, rather than a binary payload. Three additions support this:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;recreates the closure, rather than a binary payload. Three additions support this:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * &amp;lt;php&amp;gt;ReflectionFunction::getConstExprId(): ?&lt;strong class=&quot;diff-mark&quot;&gt;int&lt;/strong&gt;&amp;lt;/php&amp;gt; returns the declaration-site id of a closure declared in a constant expression, or &amp;#039;&amp;#039;null&amp;#039;&amp;#039; for any other closure.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * &amp;lt;php&amp;gt;ReflectionFunction::getConstExprId(): ?&lt;strong class=&quot;diff-mark&quot;&gt;string&lt;/strong&gt;&amp;lt;/php&amp;gt; returns the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;element-scoped&amp;#160;&lt;/strong&gt;declaration-site id&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;(&amp;#039;&amp;#039;&amp;quot;&amp;lt;site&amp;gt;@&amp;lt;key&amp;gt;&amp;quot;&amp;#039;&amp;#039;)&amp;#160;&lt;/strong&gt;of a closure declared in a constant expression, or &amp;#039;&amp;#039;null&amp;#039;&amp;#039; for any other closure.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * &amp;lt;php&amp;gt;ReflectionFunction::getConstExprClass(): ?string&amp;lt;/php&amp;gt; returns the declaring class. This is a distinct accessor because for first-class callable references no existing one carries it: a &amp;#039;&amp;#039;Validators::check(%%...%%)&amp;#039;&amp;#039; reference declared by &amp;#039;&amp;#039;Order&amp;#039;&amp;#039; has &amp;lt;php&amp;gt;getClosureScopeClass()&amp;lt;/php&amp;gt; and &amp;lt;php&amp;gt;getClosureCalledClass()&amp;lt;/php&amp;gt; both pointing at &amp;#039;&amp;#039;Validators&amp;#039;&amp;#039;, a &amp;#039;&amp;#039;parent::&amp;#039;&amp;#039; reference has both pointing at the parent class, and a function reference (&amp;#039;&amp;#039;strlen(%%...%%)&amp;#039;&amp;#039;) has neither, while all of them are declared, and serialized, by &amp;#039;&amp;#039;Order&amp;#039;&amp;#039;. The existing accessors describe the closure&amp;#039;s runtime semantics (visibility scope, &amp;#039;&amp;#039;static::&amp;#039;&amp;#039; binding); &amp;lt;php&amp;gt;getConstExprClass()&amp;lt;/php&amp;gt; describes where it was declared.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * &amp;lt;php&amp;gt;ReflectionFunction::getConstExprClass(): ?string&amp;lt;/php&amp;gt; returns the declaring class. This is a distinct accessor because for first-class callable references no existing one carries it: a &amp;#039;&amp;#039;Validators::check(%%...%%)&amp;#039;&amp;#039; reference declared by &amp;#039;&amp;#039;Order&amp;#039;&amp;#039; has &amp;lt;php&amp;gt;getClosureScopeClass()&amp;lt;/php&amp;gt; and &amp;lt;php&amp;gt;getClosureCalledClass()&amp;lt;/php&amp;gt; both pointing at &amp;#039;&amp;#039;Validators&amp;#039;&amp;#039;, a &amp;#039;&amp;#039;parent::&amp;#039;&amp;#039; reference has both pointing at the parent class, and a function reference (&amp;#039;&amp;#039;strlen(%%...%%)&amp;#039;&amp;#039;) has neither, while all of them are declared, and serialized, by &amp;#039;&amp;#039;Order&amp;#039;&amp;#039;. The existing accessors describe the closure&amp;#039;s runtime semantics (visibility scope, &amp;#039;&amp;#039;static::&amp;#039;&amp;#039; binding); &amp;lt;php&amp;gt;getConstExprClass()&amp;lt;/php&amp;gt; describes where it was declared.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * &amp;lt;php&amp;gt;Closure::fromConstExpr(string $class,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;int&amp;#160;&lt;/strong&gt;$id): Closure&amp;lt;/php&amp;gt; recreates the closure from such a reference. It throws an &amp;lt;php&amp;gt;Error&amp;lt;/php&amp;gt; if the class cannot be loaded and a &amp;lt;php&amp;gt;ValueError&amp;lt;/php&amp;gt; if the id does not resolve.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * &amp;lt;php&amp;gt;Closure::fromConstExpr(string $class,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;string&amp;#160;&lt;/strong&gt;$id): Closure&amp;lt;/php&amp;gt; recreates the closure from such a reference. It throws an &amp;lt;php&amp;gt;Error&amp;lt;/php&amp;gt; if the class cannot be loaded and a &amp;lt;php&amp;gt;ValueError&amp;lt;/php&amp;gt; if the id does not resolve.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;An exporter then emits self-contained, opcache-friendly code:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;An exporter then emits self-contained, opcache-friendly code:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 231:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 266:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code php&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;code php&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;// generated cache file&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;// generated cache file&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;return \Closure::fromConstExpr(\App\Order::class, 0);&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;return \Closure::fromConstExpr(\App\Order::class,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;$billingAddress@&lt;/strong&gt;0&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&lt;/strong&gt;);&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/code&amp;gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;lt;/code&amp;gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 271:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 306:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;dropped for three reasons:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;dropped for three reasons:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * **Needless surface.** The motivating problem is cached metadata derived from constant expressions. Making every named closure serializable turns &amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; into a closure factory over every function and public static method of the code base, a much larger capability than the problem requires. With declaration-site references only, a payload can designate nothing beyond the finite set of closures that classes declare about themselves.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * **Needless surface.** The motivating problem is cached metadata derived from constant expressions. Making every named closure serializable turns &amp;#039;&amp;#039;unserialize()&amp;#039;&amp;#039; into a closure factory over every function and public static method of the code base, a much larger capability than the problem requires&lt;strong class=&quot;diff-mark&quot;&gt;; the security model above details why the bounded set is the property that matters once the closure gets called&lt;/strong&gt;. With declaration-site references only, a payload can designate nothing beyond the finite set of closures that classes declare about themselves.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **A visibility dilemma it cannot solve.** Name-based payloads cross trust domains, so they must be restricted to what unscoped code could create: public static methods. But attributes legitimately reference //private// helpers of their own class (&amp;#039;&amp;#039;#[When(self::isStrict(%%...%%))]&amp;#039;&amp;#039;, where there is no reason to make the helper public), and those would have stayed unserializable, re-creating the very cache trap this RFC exists to fix. Site references dissolve the dilemma: resolution re-evaluates the declaration in its own scope, so visibility is enforced by the same rule that allowed the attribute to compile and evaluate in the first place.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **A visibility dilemma it cannot solve.** Name-based payloads cross trust domains, so they must be restricted to what unscoped code could create: public static methods. But attributes legitimately reference //private// helpers of their own class (&amp;#039;&amp;#039;#[When(self::isStrict(%%...%%))]&amp;#039;&amp;#039;, where there is no reason to make the helper public), and those would have stayed unserializable, re-creating the very cache trap this RFC exists to fix. Site references dissolve the dilemma: resolution re-evaluates the declaration in its own scope, so visibility is enforced by the same rule that allowed the attribute to compile and evaluate in the first place.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * **One&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;principle, one payload&lt;/strong&gt;.**&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Anonymous declarations and callable references get&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;same format&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the same staleness contract&lt;/strong&gt;, and the same security analysis,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;instead of two payload kinds with different rules&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * **One&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;reference model&lt;/strong&gt;.**&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Both forms share&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;{class&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;quot;&amp;lt;site&amp;gt;@&amp;lt;key&amp;gt;&amp;quot;}&amp;#039;&amp;#039; payload&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the element-scoped resolution&amp;#160;&lt;/strong&gt;and the same security analysis&lt;strong class=&quot;diff-mark&quot;&gt;. They differ only in the key&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;which is where each form&amp;#039;s best identity lives: the callable&amp;#039;s **name** for first-class callables (so those references carry no ordinal at all), a rank for anonymous closures, which have no name to offer&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;The engine tracks the necessary provenance at no observable cost: closures created while&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;The engine tracks the necessary provenance at no observable cost: closures created while&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 303:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 338:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Why this id, and not another addressing scheme ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Why this id, and not another addressing scheme ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Two natural alternatives were considered&amp;#160;&lt;/strong&gt;for the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;The id names the declaring **element** and a **key within that element**: the closure&amp;#039;s rank &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;for&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;anonymous declarations,&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;referenced callable&amp;#039;s name for first-class callables&lt;/strong&gt;.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Scoping &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;the key to the element has three properties:&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;**&lt;strong class=&quot;diff-mark&quot;&gt;A compiler-assigned index stored in the class&lt;/strong&gt;.**&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Instead of deriving&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;rank when a reference &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160;&amp;#160;&lt;/strong&gt;* *&lt;strong class=&quot;diff-mark&quot;&gt;*Resolution is local&lt;/strong&gt;.**&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Resolution looks up&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;named element and walks only that element&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;so it is&amp;#160;&lt;/strong&gt;constant-&lt;strong class=&quot;diff-mark&quot;&gt;time in&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;size of that one element&amp;#160;&lt;/strong&gt;and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;insensitive to how large&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;rest of&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;class is&lt;/strong&gt;:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;on&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;class with sixty closure-declaring methods, resolving the last closure costs&amp;#160;&lt;/strong&gt;the same as&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;resolving&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;first. Serialization&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a non-evaluating traversal of&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;compiled class.&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;is created or resolved&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the compiler would number each&amp;#160;&lt;/strong&gt;constant-&lt;strong class=&quot;diff-mark&quot;&gt;expression closure while &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160;* **Unrelated edits do not renumber it&lt;/strong&gt;.&lt;strong class=&quot;diff-mark&quot;&gt;** Because each element&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;numbered independently, adding, removing or reordering&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;closure&amp;#160;&lt;/strong&gt;in&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;one element leaves&amp;#160;&lt;/strong&gt;every&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;other element&amp;#039;s ranks unchanged; only an edit to the //declaring// element can shift its own ranks, which the staleness tripwire&amp;#160;&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;below&lt;/strong&gt;)&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;catches. Name-keyed references get&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;full benefit and keep resolving as long as their element and target survive;&amp;#160;&lt;/strong&gt;rank&lt;strong class=&quot;diff-mark&quot;&gt;-keyed references additionally carry the line tripwire&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;which deliberately fails them closed on layout changes (see below)&lt;/strong&gt;. &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;compiling&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;class&amp;#160;&lt;/strong&gt;and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;store&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;table in&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;compiled artifact. The observable contract would &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160;* **One reference model across engine&amp;#160;&lt;/strong&gt;and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;userland.** Frameworks need this feature on&amp;#160;&lt;/strong&gt;PHP&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;8.5, where there is no engine support&amp;#160;&lt;/strong&gt;and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;userland reproduces it by reflection. The &amp;#039;&amp;#039;&amp;quot;&amp;lt;site&amp;gt;@&amp;lt;rank&amp;gt;&amp;quot;&amp;#039;&amp;#039; string is self-describing: userland computes it from reflection and resolves it by walking&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;named element, with no engine call, producing references byte-identical&amp;#160;&lt;/strong&gt;to&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the engine&amp;#039;s, so&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;value serialized on 8&lt;/strong&gt;.&lt;strong class=&quot;diff-mark&quot;&gt;5 by a polyfill and&amp;#160;&lt;/strong&gt;one&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;serialized on 8.6&amp;#160;&lt;/strong&gt;by the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;engine&amp;#160;&lt;/strong&gt;are&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;interchangeable. This was verified across the engine&lt;/strong&gt;, the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;&amp;#039;ext&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;deepclone&amp;#039;&amp;#039; extension and a pure&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;PHP polyfill&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;be identical&lt;/strong&gt;: a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;stored index is renumbered by source edits in exactly&amp;#160;&lt;/strong&gt;the same&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;situations&amp;#160;&lt;/strong&gt;as the&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;derived rank, so it&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;neither more nor less stable, and&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;staleness tripwire is needed either&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;way&lt;/strong&gt;.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;The difference&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;economics:&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;stored table costs memory&amp;#160;&lt;/strong&gt;in every&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;compiled class&amp;#160;&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;including &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;in opcache shared memory&lt;/strong&gt;)&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;and new persistence plumbing, while deriving&amp;#160;&lt;/strong&gt;the rank&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;costs a class &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;traversal per closure serialized or resolved&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;negligible next to unserialization itself&lt;/strong&gt;.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;The&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;proposal therefore specifies the contract (deterministic per source revision&amp;#160;&lt;/strong&gt;and PHP&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;version)&amp;#160;&lt;/strong&gt;and&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;derives&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id; switching&amp;#160;&lt;/strong&gt;to a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;stored index later would be invisible to userland&lt;/strong&gt;.&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;A stored index &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;does have&amp;#160;&lt;/strong&gt;one&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;distinctive power, noted under Future Scope:&amp;#160;&lt;/strong&gt;by&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;keeping&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;compiled closures of &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;class constant values and property defaults reachable after their initializers&amp;#160;&lt;/strong&gt;are&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;evaluated&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;it &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;could lift&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;in&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;place&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;evaluation exclusion without changing how those initializers are &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;evaluated&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;**&lt;/strong&gt;The&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;rank among attribute arguments of any type, not only closures.** Numbering every argument &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;The&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;site grammar folds a method&amp;#039;s parameters into&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;method (&amp;#039;&amp;#039;name&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;)&amp;#039;&amp;#039;) rather than addressing&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;slot looks simpler but addresses&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;wrong unit. One argument may declare several closures&amp;#160;&lt;/strong&gt;(&lt;strong class=&quot;diff-mark&quot;&gt;an&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;each parameter&lt;/strong&gt;, so&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the engine needs no parameter&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;index bookkeeping for&amp;#160;&lt;/strong&gt;default values, and the &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;array of callbacks is a single argument)&lt;/strong&gt;, so&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a within&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;argument ordinal is still needed; parameter &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;whole reference stays a class name&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a short string and&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;for anonymous&amp;#160;&lt;/strong&gt;closures,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a line&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;default values&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;are not attribute arguments&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;so a second numbering domain appears;&amp;#160;&lt;/strong&gt;and the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;becomes //less// stable&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;since adding or removing any scalar argument before the closure renumbers &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;it&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;while the closure-only rank is invariant to every edit that does not add, remove or reorder &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;closures&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;themselves. Counting only closures numbers exactly the things being referenced&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;with the &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;smallest possible sensitivity to unrelated edits&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;A&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;fully symbolic variant (&amp;quot;argument &amp;#039;&amp;#039;callback&amp;#039;&amp;#039; of the second attribute&amp;#160;&lt;/strong&gt;of&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;property&amp;#160;&lt;/strong&gt;&amp;#039;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#039;$x&amp;#039;&amp;#039;&amp;quot;) &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;Two alternative addressing schemes were considered. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;reads better&amp;#160;&lt;/strong&gt;in&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;payloads&amp;#160;&lt;/strong&gt;but&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;combines the drawbacks&lt;/strong&gt;:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;paths must reach into nested arrays and&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;chained closures&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;attribute&amp;#160;&lt;/strong&gt;and&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;parameter-default sites need different address shapes&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;an ordinal&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;**&lt;/strong&gt;A&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;flat per-class rank**, numbering all&amp;#160;&lt;/strong&gt;of&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;a class&lt;/strong&gt;&amp;#039;&lt;strong class=&quot;diff-mark&quot;&gt;s constant-expression closures&amp;#160;&lt;/strong&gt;in&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;one &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;is still required when&amp;#160;&lt;/strong&gt;one&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;argument declares several closures, and&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;robustness it buys&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;sequence, yields a marginally smaller id (a single integer)&amp;#160;&lt;/strong&gt;but&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;gives up each property above&lt;/strong&gt;: &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;(&lt;/strong&gt;references&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;surviving edits&amp;#160;&lt;/strong&gt;to&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;//other// members of&amp;#160;&lt;/strong&gt;the class&lt;strong class=&quot;diff-mark&quot;&gt;) is not actually desirable for cache&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;resolution scans the class to the target, an edit anywhere renumbers every closure after it&lt;/strong&gt;, and&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;artifacts&lt;/strong&gt;,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;where failing closed on any change to&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;file&amp;#160;&lt;/strong&gt;is the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;expected behavior&lt;/strong&gt;. The&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;flat&lt;/strong&gt; &lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;userland cannot reconstruct the rank the engine assigns without evaluating every preceding site&lt;/strong&gt;, &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;closure&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;rank plus&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;line tripwire provides&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;same safety with&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;two&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;integer payload&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;nor resolve&amp;#160;&lt;/strong&gt;one&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;at all without&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;engine. The compactness is not worth those costs for&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;references&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;whose purpose is&amp;#160;&lt;/strong&gt;to&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;survive in caches and be reproducible off-engine. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;**A compiler-assigned index stored in&amp;#160;&lt;/strong&gt;the class&lt;strong class=&quot;diff-mark&quot;&gt;** was also considered. Instead of deriving the id&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;when a reference is created or resolved&lt;/strong&gt;, the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;compiler would number each constant-expression &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;closure while compiling the class and store the table in the compiled artifact. The observable &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;contract would be identical, and it&amp;#160;&lt;/strong&gt;is&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;renumbered by source edits in&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;same situations, so the &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;staleness tripwire is needed either way&lt;/strong&gt;. The&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;difference is economics: a stored table costs memory&lt;/strong&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;in every compiled class (including in opcache shared memory) and new persistence plumbing, while &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;deriving the id costs one element traversal per&amp;#160;&lt;/strong&gt;closure&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;serialized or resolved, negligible next to &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;unserialization itself. The proposal therefore specifies&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;contract (deterministic per source &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;revision and PHP version) and derives&amp;#160;&lt;/strong&gt;the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id; switching to&amp;#160;&lt;/strong&gt;a&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;stored index later would be invisible &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;to userland. A stored index does have one distinctive power, noted under Future Scope: by keeping &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;the compiled closures of class constant values and property defaults reachable after their &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;initializers are evaluated, it could lift the in&lt;/strong&gt;-&lt;strong class=&quot;diff-mark&quot;&gt;place-evaluation exclusion without changing how &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;those initializers are evaluated&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Why the line number, and why not a stronger fingerprint ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Why the line number, and why not a stronger fingerprint ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;Because the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;id&amp;#160;&lt;/strong&gt;is positional, an edit to&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;the class&amp;#160;&lt;/strong&gt;can make a stored id designate a //different&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;This section applies to anonymous closures only: first-class callable references are keyed by &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;declaration site// than the one that was serialized: removing an attribute renumbers every closure&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;name, cannot drift silently, and carry no line field. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;after it. That is the one failure that must not be silent. Storing the closure&amp;#039;s start line makes&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Because the&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;rank of an anonymous reference&amp;#160;&lt;/strong&gt;is positional&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;within its element&lt;/strong&gt;, an edit to&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;that &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;element&amp;#160;&lt;/strong&gt;can make a stored id designate a //different declaration site// than the one that was&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;serialized: removing an&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;earlier&amp;#160;&lt;/strong&gt;attribute renumbers every closure after it&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;in the same element&lt;/strong&gt;.&lt;strong class=&quot;diff-mark&quot;&gt; &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;That is the one failure that must not be silent. Storing the closure&amp;#039;s start line makes&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;essentially every renumbering edit fail loudly: for a stale id to resolve silently, the site&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;essentially every renumbering edit fail loudly: for a stale id to resolve silently, the site&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;that now occupies it would have to sit on the very line recorded in the payload.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;that now occupies it would have to sit on the very line recorded in the payload.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 348:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 388:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;know their start line, and so do the nodes of constant expressions), resolution never touches&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;know their start line, and so do the nodes of constant expressions), resolution never touches&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;the filesystem, and it means the same thing in every PHP build.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;the filesystem, and it means the same thing in every PHP build.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;The line also over-rejects: an edit that merely shifts lines above the closure invalidates&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;payloads whose rank would still resolve correctly. For anonymous references this trade is&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;intentional. They are cache artifacts; a rejection is a self-healing miss; and the&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#039;&amp;#039;serialize()&amp;#039;&amp;#039;-based metadata caches that motivate this RFC do not track file freshness&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;themselves (they are keyed by class name and cleared on deploy), so the payload is the only&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;place a freshness fuse can live. References that need to outlive deploys use the name-keyed&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;form, which carries no line.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Stronger checks were considered, and each pins the wrong thing:&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;Stronger checks were considered, and each pins the wrong thing:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 361:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 409:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;payloads already require today (a payload is only valid for the code revision that produced it),&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;payloads already require today (a payload is only valid for the code revision that produced it),&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;and frameworks invalidate their metadata caches on file changes anyway.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;and frameworks invalidate their metadata caches on file changes anyway.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;==== Version migration, and why references are cache artifacts ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Object serialization normally lets a class own its format and migrate old payloads inside an&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;unserialization hook, e.g. to keep serialized queue jobs working across deploys. That model&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;cannot transfer here: &amp;lt;php&amp;gt;Closure&amp;lt;/php&amp;gt; is final and engine-owned, so there is no user hook,&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;and an anonymous closure has no name anyone could stabilize a format around. This proposal&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;therefore does not present anonymous references as durable tokens: they are **cache&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;artifacts**, valid for the code revision that produced them, like the serialized metadata they&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;travel in.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;Deploy-durable references require the developer to //name// the closure, and this proposal&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;already supports the construct for that: a static method, referenced first-class&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;(&amp;#039;&amp;#039;#[When(self::isStrict(%%...%%))]&amp;#039;&amp;#039; instead of an inline body). Such a reference is keyed by&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;the method&amp;#039;s name, is stable under every edit that keeps the declaring element and the named&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;method in place, and tracks the method&amp;#039;s current body by design, which is exactly what a&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;payload that outlives deploys should do.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;==== Why a single RFC ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;The 8.5 work shipped closures and first-class callables in constant expressions as two&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;separate RFCs. This proposal keeps the two forms together because here they are one feature:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;they share the payload shape, the element-scoped resolution, the provenance tracking and the&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;security analysis, and the callable half alone would not fix the anonymous case that motivates&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;the RFC. Should a blocking objection specific to one half emerge, carving it out before the&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;vote remains possible.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Naming ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== Naming ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 408:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 482:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **Global constants and free-function attributes**: addressable in principle (by constant/function name), but functions and constants are not autoloadable, which weakens the resolution story. Could be added incrementally.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **Global constants and free-function attributes**: addressable in principle (by constant/function name), but functions and constants are not autoloadable, which weakens the resolution story. Could be added incrementally.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **Name-based serialization of runtime-created named closures**: making &amp;#039;&amp;#039;serialize(strlen(%%...%%))&amp;#039;&amp;#039; work anywhere by serializing closures over public named callables as their name. This is a pure widening of this proposal, discussed and deliberately left out in the Rationale; the two payload kinds can coexist if a need emerges.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * **Name-based serialization of runtime-created named closures**: making &amp;#039;&amp;#039;serialize(strlen(%%...%%))&amp;#039;&amp;#039; work anywhere by serializing closures over public named callables as their name. This is a pure widening of this proposal, discussed and deliberately left out in the Rationale; the two payload kinds can coexist if a need emerges.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * **Native &amp;#039;&amp;#039;var_export()&amp;#039;&amp;#039; support**: emitting &amp;#039;&amp;#039;\Closure::fromConstExpr(...)&amp;#039;&amp;#039; / &amp;#039;&amp;#039;\Foo::bar(%%...%%)&amp;#039;&amp;#039; from &amp;#039;&amp;#039;var_export()&amp;#039;&amp;#039; itself, instead of leaving it to userland exporters.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * **Native &amp;#039;&amp;#039;var_export()&amp;#039;&amp;#039; support**: emitting &amp;#039;&amp;#039;\Closure::fromConstExpr(...)&amp;#039;&amp;#039; / &amp;#039;&amp;#039;\Foo::bar(%%...%%)&amp;#039;&amp;#039; from &amp;#039;&amp;#039;var_export()&amp;#039;&amp;#039; itself, instead of leaving it to userland exporters&lt;strong class=&quot;diff-mark&quot;&gt;. The first-class callable part of this needs no RFC and can land independently as a regular improvement&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Proposed Voting Choices =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Proposed Voting Choices =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 427:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 501:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Round-trips from every attribute target (class, constant, enum case, property, hook, method, parameter), parameter defaults, nested and runtime-nested declarations&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Round-trips from every attribute target (class, constant, enum case, property, hook, method, parameter), parameter defaults, nested and runtime-nested declarations&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * First-class callable sites: functions (incl. namespaced), own private/protected methods, inherited methods via &amp;#039;&amp;#039;self::&amp;#039;&amp;#039; and &amp;#039;&amp;#039;parent::&amp;#039;&amp;#039; (with their distinct &amp;#039;&amp;#039;static::&amp;#039;&amp;#039; bindings), cross-class references&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * First-class callable sites&lt;strong class=&quot;diff-mark&quot;&gt;, with name-keyed ids&lt;/strong&gt;: functions (incl. namespaced), own private/protected methods, inherited methods via &amp;#039;&amp;#039;self::&amp;#039;&amp;#039; and &amp;#039;&amp;#039;parent::&amp;#039;&amp;#039; (with their distinct &amp;#039;&amp;#039;static::&amp;#039;&amp;#039; bindings&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;and keys&lt;/strong&gt;), cross-class&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;references, cross-element normalization of duplicate&amp;#160;&lt;/strong&gt;references&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Runtime-created named closures keep refusing, even when an identical reference exists in an attribute&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Runtime-created named closures keep refusing, even when an identical reference exists in an attribute&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Inheritance and traits&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Inheritance and traits&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Scope restoration: &amp;#039;&amp;#039;self::&amp;#039;&amp;#039;, private member access&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Scope restoration: &amp;#039;&amp;#039;self::&amp;#039;&amp;#039;, private member access&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Refusals: every row of the &amp;quot;stays non-serializable&amp;quot; table, with unchanged error message&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Refusals: every row of the &amp;quot;stays non-serializable&amp;quot; table, with unchanged error message&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Forged and stale payloads: unknown class/id, line mismatch, type confusion,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;name-shaped payloads&lt;/strong&gt;, double initialization&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Forged and stale payloads: unknown class/id, line mismatch, type confusion,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;undeclared callable keys (e.g. &amp;#039;&amp;#039;&amp;quot;$p@system&amp;quot;&amp;#039;&amp;#039;)&lt;/strong&gt;, double initialization&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * &amp;#039;&amp;#039;allowed_classes&amp;#039;&amp;#039; gating (&amp;#039;&amp;#039;%%__PHP_Incomplete_Class%%&amp;#039;&amp;#039;, no resolution)&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * &amp;#039;&amp;#039;allowed_classes&amp;#039;&amp;#039; gating (&amp;#039;&amp;#039;%%__PHP_Incomplete_Class%%&amp;#039;&amp;#039;, no resolution)&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Object-graph behavior: shared instances, &amp;#039;&amp;#039;%%__wakeup()%%&amp;#039;&amp;#039; ordering&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Object-graph behavior: shared instances, &amp;#039;&amp;#039;%%__wakeup()%%&amp;#039;&amp;#039; ordering&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 444:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 518:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[https://github.com/symfony/symfony/pull/61657|symfony#61657: VarExporter support for named closures]]&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[https://github.com/symfony/symfony/pull/61657|symfony#61657: VarExporter support for named closures]]&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[https://github.com/opis/closure|opis/closure]], [[https://github.com/laravel/serializable-closure|laravel/serializable-closure]]: userland source-extraction serializers&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * [[https://github.com/opis/closure|opis/closure]], [[https://github.com/laravel/serializable-closure|laravel/serializable-closure]]: userland source-extraction serializers&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;===== Changelog =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * 0.2: Scoped the declaration-site id to the reflection element (&amp;#039;&amp;#039;&amp;quot;&amp;lt;site&amp;gt;@&amp;lt;key&amp;gt;&amp;quot;&amp;#039;&amp;#039;); &amp;#039;&amp;#039;getConstExprId()&amp;#039;&amp;#039; and the &amp;#039;&amp;#039;$id&amp;#039;&amp;#039; argument of &amp;#039;&amp;#039;fromConstExpr()&amp;#039;&amp;#039; become strings. First-class callable references are keyed by the callable&amp;#039;s name (&amp;#039;&amp;#039;&amp;quot;&amp;lt;site&amp;gt;@Called::method&amp;quot;&amp;#039;&amp;#039;, no rank, no line field) and normalize to their first declaring element. Expanded the security model (inert creation vs substitution on call); added the &amp;quot;Version migration&amp;quot; and &amp;quot;Why a single RFC&amp;quot; rationale sections.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * 0.1: Initial draft.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/override_constants?rev=1783109058&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-03T20:04:18+00:00</dc:date>
        <dc:creator>daniels (daniels@undisclosed.example.com)</dc:creator>
        <title>override_constants - implementation merged</title>
        <link>https://wiki.php.net/rfc/override_constants?rev=1783109058&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/05/24 04:47&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 3:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 3:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-03-13&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-03-13&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Author: Daniel Scherzer, daniel.e.scherzer@gmail.com&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Author: Daniel Scherzer, daniel.e.scherzer@gmail.com&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Status:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Pending implementation / landing&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Status:&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;Implemented (in PHP 8.6)&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Implementation: https://github.com/php/php-src/pull/20478&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Implementation: https://github.com/php/php-src/pull/20478&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Discussion thread: https://news-web.php.net/php.internals/130505&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Discussion thread: https://news-web.php.net/php.internals/130505&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/duration_class?rev=1783093914&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-03T15:51:54+00:00</dc:date>
        <dc:creator>timwolla (timwolla@undisclosed.example.com)</dc:creator>
        <title>duration_class - Fix mistake proof-of-concept implementation.</title>
        <link>https://wiki.php.net/rfc/duration_class?rev=1783093914&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/03 14:54&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 312:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 312:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160;* @strict-properties&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160;* @strict-properties&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160;*/&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160;*/&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;final class Duration&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;final&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;readonly&amp;#160;&lt;/strong&gt;class Duration&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;{&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;{&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; private function __construct(&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; &amp;#160; private function __construct(&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 633:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 633:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Changelog =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Changelog =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * 2026-07-03: Fix mistake proof-of-concept implementation.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-07-03: Add secondary vote for naming of the mathematical operations.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-07-03: Add secondary vote for naming of the mathematical operations.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-06-23: Clarify that every overflow will throw TimeException.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * 2026-06-23: Clarify that every overflow will throw TimeException.&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/todo/php86?rev=1783012497&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-02T17:14:57+00:00</dc:date>
        <dc:creator>sergey (sergey@undisclosed.example.com)</dc:creator>
        <title>php86 - Add alpha1</title>
        <link>https://wiki.php.net/todo/php86?rev=1783012497&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/04/15 18:20&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 14:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 14:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;^ Date&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;^ Release ^&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;^ Date&amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160; &amp;#160;^ Release ^&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;| Jul 02 2026&amp;#160; &amp;#160; | Alpha 1 |&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;| Jul 02 2026&amp;#160; &amp;#160; | Alpha 1&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;[[https://www.php.net/archive/2026.php#2026-07-02-3|Announce]] [[https://downloads.php.net/~mbeccati/|Files]]&amp;#160;&lt;/strong&gt;|&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;| Jul 16 2026&amp;#160; &amp;#160; | Alpha 2 |&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;| Jul 16 2026&amp;#160; &amp;#160; | Alpha 2 |&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;| Jul 30 2026&amp;#160; &amp;#160; | Alpha 3 |&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;| Jul 30 2026&amp;#160; &amp;#160; | Alpha 3 |&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
    </item>
    <item rdf:about="https://wiki.php.net/rfc/min_supported_versions_php_8_6?rev=1783007270&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2026-07-02T15:47:50+00:00</dc:date>
        <dc:creator>enorris (enorris@undisclosed.example.com)</dc:creator>
        <title>min_supported_versions_php_8_6 - add Tim as a co-author and clarify impact</title>
        <link>https://wiki.php.net/rfc/min_supported_versions_php_8_6?rev=1783007270&amp;do=diff</link>
        <description>&lt;table&gt;&lt;tr&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;2026/07/02 15:07&lt;/th&gt;&lt;th colspan=&quot;2&quot; width=&quot;50%&quot;&gt;current&lt;/th&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 1:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 1:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;====== PHP RFC: Minimum supported versions for PHP 8.6 ======&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;====== PHP RFC: Minimum supported versions for PHP 8.6 ======&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Version: 1.&lt;strong class=&quot;diff-mark&quot;&gt;0&lt;/strong&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Version: 1.&lt;strong class=&quot;diff-mark&quot;&gt;1&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-07-02&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Date: 2026-07-02&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&amp;#160; * Author: Eric Norris, erictnorris@gmail.com&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Author: Eric Norris, erictnorris@gmail.com&lt;strong class=&quot;diff-mark&quot;&gt;; Tim Düsterhus, timwolla@php.net&lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Status: Under Discussion&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Status: Under Discussion&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Thread: https://news-web.php.net/php.internals/131707&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&amp;#160; * Thread: https://news-web.php.net/php.internals/131707&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 30:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 30:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;MariaDB 10.2.4 was released on February 17th, 2017 and reached its end-of-life alongside all 10.2 minor versions on [[https://endoflife.date/mariadb|May 23rd, 2022]].&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;MariaDB 10.2.4 was released on February 17th, 2017 and reached its end-of-life alongside all 10.2 minor versions on [[https://endoflife.date/mariadb|May 23rd, 2022]].&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;This RFC proposes that we use &amp;#039;&amp;#039;COM_RESET_CONNECTION&amp;#039;&amp;#039; in PDO and &amp;#039;&amp;#039;mysqlnd&amp;#039;&amp;#039; when reusing persistent connections. Users that are on MySQL or MariaDB databases from before this feature was implemented&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;//&lt;/strong&gt;may upgrade to PHP 8.6, but would not be able to use persistent connections//. This means that their software could continue to work, but they might lose a performance optimization.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;This RFC proposes that we use &amp;#039;&amp;#039;COM_RESET_CONNECTION&amp;#039;&amp;#039; in PDO and &amp;#039;&amp;#039;mysqlnd&amp;#039;&amp;#039; when reusing persistent connections. Users that are on MySQL or MariaDB databases from before this feature was implemented may upgrade to PHP 8.6,&amp;#160;&lt;strong class=&quot;diff-mark&quot;&gt;//&lt;/strong&gt;but would not be able to use persistent connections//. This means that their software could continue to work, but they might lose a performance optimization.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Proposed PHP Version(s) =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Proposed PHP Version(s) =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 40:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 40:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== To the Ecosystem ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== To the Ecosystem ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;-&lt;/td&gt;&lt;td class=&quot;diff-deletedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;None expected&lt;/strong&gt;.&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; * Users that want to use the newest PHP version will be required to also run newer versions (released in the last 5 years) of other software. &lt;/strong&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;strong class=&quot;diff-mark&quot;&gt;&amp;#160; * For COM_RESET_CONNECTION, persistent connections to MySQL databases will now be safe to use as they will be reset to a pristine state. On the other hand, if existing users inadvertently rely on connection state carrying over across requests, they may see a breaking change&lt;/strong&gt;.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== To Existing Extensions ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== To Existing Extensions ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 47:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 48:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== To SAPIs ====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;==== To SAPIs ====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;None.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Open Issues =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Open Issues =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;None.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Future Scope =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Future Scope =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;None.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Voting Choices =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Voting Choices =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 78:&lt;/td&gt;
&lt;td class=&quot;diff-blockheader&quot; colspan=&quot;2&quot;&gt;Line 83:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Implementation =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Implementation =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;N/A&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== References =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== References =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Discussion thread https://news-web.php.net/php.internals/131707&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * Pre-discussion thread https://news-web.php.net/php.internals/130704&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Rejected Features =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Rejected Features =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;None.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Changelog =====&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;===== Changelog =====&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * 2026-07-02: Initial version.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;+&lt;/td&gt;&lt;td class=&quot;diff-addedline&quot;&gt;&amp;#160; * 2026-07-02: Add Tim as a co-author and clarify impact.&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-lineheader&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class=&quot;diff-context&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
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