rfc:propertygetsetsyntax

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rfc:propertygetsetsyntax [2010/11/29 14:15] – added alternative syntax #2 jbondcrfc:propertygetsetsyntax [2017/09/22 13:28] (current) – external edit 127.0.0.1
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 Note that "get" and "set" as seen above would become new keywords.  Alternatively, "get" and "set" could be made to only have meaning if they are in a prototype, similar to the current type hinting syntax that exists in php-trunk. Note that "get" and "set" as seen above would become new keywords.  Alternatively, "get" and "set" could be made to only have meaning if they are in a prototype, similar to the current type hinting syntax that exists in php-trunk.
  
-**__Alternative Syntax__ #1 **+**__Alternative Syntax__**
  
 The syntax above attempts to match the syntax of C# properties, as well as PHP method declarations as much as possible.  An alternative syntax could look like the following: The syntax above attempts to match the syntax of C# properties, as well as PHP method declarations as much as possible.  An alternative syntax could look like the following:
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 In this syntax, a semi-colon exists at the end of the property definition.  This was suggested by Kalle Nielsen, as it would be simpler to implement into the current implementation of class members in the PHP interpreter. In this syntax, a semi-colon exists at the end of the property definition.  This was suggested by Kalle Nielsen, as it would be simpler to implement into the current implementation of class members in the PHP interpreter.
  
-**__Alternative Syntax__ #2 **+**__Alternative Syntax Suggested By jbondc__**
  
 <code php> <code php>
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 // Spl property // Spl property
 property readonly  { property readonly  {
-    set { throw Exception(__PROPERTY__ . " is read-only."); }+    final set { throw Exception(__PROPERTY__ . " is read-only."); }
 } }
  
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     private $seconds;     private $seconds;
  
-    public {use Hours} $hours;+    public {use Hours;} $hours;
 } }
 </code> </code>
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     public property Minutes     public property Minutes
     {     {
-        set { $this->minutes = $value * 60; }+        set { $this->seconds = $value * 60; }
     }     }
 }; };
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 echo TimePeriod::$Hours;// Outputs 12 echo TimePeriod::$Hours;// Outputs 12
 </code> </code>
 +
 +===== Implementation =====
 +
 +An implementation of this proposal is being worked on by Clint Priest <phpdev at zerocue dot com>.  Information about implementation details can be found here: https://wiki.php.net/rfc/propertygetsetsyntax-as-implemented
  
 ===== References ===== ===== References =====
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   * [[http://msdn.microsoft.com/en-us/library/x9fsa0sw%28VS.80%29.aspx|Properties (C# Programming Guide)]]   * [[http://msdn.microsoft.com/en-us/library/x9fsa0sw%28VS.80%29.aspx|Properties (C# Programming Guide)]]
   * [[http://msdn.microsoft.com/en-us/library/75e8y5dd%28VS.80%29.aspx|Asymmetric Accessor Accessibility (C# Programming Guide)]]   * [[http://msdn.microsoft.com/en-us/library/75e8y5dd%28VS.80%29.aspx|Asymmetric Accessor Accessibility (C# Programming Guide)]]
 +  * [[http://msdn.microsoft.com/en-us/library/ms229054.aspx|Choosing Between Properties and Methods (MSDN)]]
 +  * [[http://msdn.microsoft.com/en-us/library/ms229006.aspx|Property Design (MSDN)]]
 +  * [[http://c2.com/cgi/wiki?UniformAccessPrinciple|Uniform Access Principle (C2 wiki)]]
 +  * [[http://en.wikipedia.org/wiki/Uniform_access_principle|Uniform Access Principle (Wikipedia)]]
  
 ===== Changelog ===== ===== Changelog =====
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   - 2010-11-13 Dennis Robinson: Added a note below the basic syntax about new keywords being created.   - 2010-11-13 Dennis Robinson: Added a note below the basic syntax about new keywords being created.
   - 2010-11-13 Dennis Robinson: Added a semicolon to the "alternative syntax", as suggested by Kalle Nielsen.   - 2010-11-13 Dennis Robinson: Added a semicolon to the "alternative syntax", as suggested by Kalle Nielsen.
 +  - 2010-11-29 jbondc: Added another alternative syntax 
 +  - 2010-12-01 Dennis Robinson: Added additional links in the "Further Reading" section 
 +  - 2011-12-22 Dennis Robinson: Added "Implementation" section
rfc/propertygetsetsyntax.1291040103.txt.gz · Last modified: 2017/09/22 13:28 (external edit)

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