rfc:uniform_variable_syntax

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rfc:uniform_variable_syntax [2014/07/07 14:13]
nikic start vote
rfc:uniform_variable_syntax [2017/09/22 13:28] (current)
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   * Date: 2014-05-31   * Date: 2014-05-31
   * Author: Nikita Popov <nikic@php.net>   * Author: Nikita Popov <nikic@php.net>
-  * Status: In Voting +  * Status: Implemented (in PHP 7)
-  * Proposed for: PHP 6+
   * Discussion: http://markmail.org/message/mr4ihbubfbdxygci   * Discussion: http://markmail.org/message/mr4ihbubfbdxygci
  
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 ''%%$bar%%'', even though it is not necessary and never used. This is once again related to the way static member access ''%%$bar%%'', even though it is not necessary and never used. This is once again related to the way static member access
 needs to be implemented to support our weird indirect reference semantics. needs to be implemented to support our weird indirect reference semantics.
- 
-=== TODO === 
  
 ===== Proposal ===== ===== Proposal =====
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 </code> </code>
  
-This change is **backwards incompatible** (with low practical impact), which is the reason why this RFC targets PHP 6.+This change is **backwards incompatible** (with low practical impact), which is the reason why this RFC targets PHP 7.
 However it is always possible to recreate the old behavior by explicitly using braces: However it is always possible to recreate the old behavior by explicitly using braces:
  
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 </code> </code>
  
-This syntax will have guaranteed same behavior in both PHP 5 and PHP 6.+This syntax will have guaranteed same behavior in both PHP 5 and PHP 7.
  
 ==== Newly added and generalized syntax ==== ==== Newly added and generalized syntax ====
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 occurrence of ''%%$loader[0]::$loader[1]($className)%%'' in the Doctrine class loader will be affected by this change. occurrence of ''%%$loader[0]::$loader[1]($className)%%'' in the Doctrine class loader will be affected by this change.
 This occurrence must be replaced with ''%%$loader[0]::{$loader[1]}($className)%%'' to achieve compatibility with both This occurrence must be replaced with ''%%$loader[0]::{$loader[1]}($className)%%'' to achieve compatibility with both
-PHP 5 and PHP 6.+PHP 5 and PHP 7.
  
 The latter change turns currently valid syntax into a parse error. Expressions like ''%%global $$foo->bar%%'' are no The latter change turns currently valid syntax into a parse error. Expressions like ''%%global $$foo->bar%%'' are no
 longer valid and ''%%global ${$foo->bar}%%'' must be used instead. longer valid and ''%%global ${$foo->bar}%%'' must be used instead.
  
-As these changes only apply to some very rarely used syntax, the breakage seems acceptable for PHP 6.+As these changes only apply to some very rarely used syntax, the breakage seems acceptable for PHP 7.
  
 ===== Open issues ===== ===== Open issues =====
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 ===== Vote ===== ===== Vote =====
  
-As this is a language change, a 2/3 majority is required for acceptance. The vote started on 2014-07-07 and ends on 2014-07-14.+As this is a language change, a 2/3 majority is required for acceptance. The vote started on 2014-07-07 and ended on 2014-07-14.
  
-<doodle title="Implement Uniform Variable Syntax in PHP 6?" auth="nikic" voteType="single" closed="false">+<doodle title="Implement Uniform Variable Syntax in PHP 6?" auth="nikic" voteType="single" closed="true">
    * Yes    * Yes
    * No    * No
 </doodle> </doodle>
  
rfc/uniform_variable_syntax.1404742394.txt.gz · Last modified: 2017/09/22 13:28 (external edit)