rfc:nested_classes

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rfc:nested_classes [2013/10/01 23:45] – [Private Classes] krakjoerfc:nested_classes [2017/09/22 13:28] (current) – external edit 127.0.0.1
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   * Date: 2013-09-29   * Date: 2013-09-29
   * Author: Joe Watkins, krakjoe@php.net   * Author: Joe Watkins, krakjoe@php.net
-  * Status: Under Discussion+  * Status: Withdrawn
   * First Published at: http://wiki.php.net/rfc/nested_classes   * First Published at: http://wiki.php.net/rfc/nested_classes
  
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   * public - the class is accessible everywhere   * public - the class is accessible everywhere
   * private - the class may be accessed by any class declared in the //outer// class   * private - the class may be accessed by any class declared in the //outer// class
-  * protected - the class may be accessed by any class up to and including the //outermost// class+  * protected - the class may be access by any class in the same virtual namespace
  
 ===== Private Classes ===== ===== Private Classes =====
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 </code> </code>
  
-The protected class ''\foo\bar\baz'' can now be used in ''\foo''.+The protected class ''\foo\bar\baz'' can now be used in ''\foo'', for example: 
 + 
 +<code php> 
 +<?php 
 +/* 
 +* foo 
 +* @package foo 
 +*/ 
 +class foo 
 +{ 
 +    /* 
 +    * foo\bar supporting class for foo 
 +    * @subpackage foo\bar 
 +    * @private 
 +    */ 
 +    private class bar 
 +    { 
 +  
 +        /* 
 +        * \foo\bar\baz supporting class for foo\bar 
 +        * @subpackage foo\bar\baz 
 +        * @protected 
 +        */ 
 +        protected class baz 
 +        { 
 +  
 +            public function __construct() { 
 +  
 +            } 
 +        } 
 +  
 +        public function __construct() { 
 +            $this->baz = new foo\bar\baz(); 
 +        } 
 +    } 
 +     
 +    /* 
 +    * \foo\qux supporting class for foo 
 +    */ 
 +    private class qux extends foo\bar\baz 
 +    { 
 +        public function __construct() { 
 +             
 +        } 
 +    } 
 +  
 +    /* PUBLIC API METHODS HERE */ 
 +  
 +    public function __construct() 
 +    { 
 +        $this->bar = new \foo\bar(); 
 +        $this->baz = new \foo\bar\baz(); 
 +        $this->qux = new \foo\qux(); 
 +    } 
 +} 
 +  
 +var_dump(new \foo()); 
 +</code> 
 + 
 +Output: 
 + 
 +<code> 
 +object(foo)#1 (3) { 
 +  ["bar"]=> 
 +  object(foo\bar)#2 (1) { 
 +    ["baz"]=> 
 +    object(foo\bar\baz)#3 (0) { 
 +    } 
 +  } 
 +  ["baz"]=> 
 +  object(foo\bar\baz)#4 (0) { 
 +  } 
 +  ["qux"]=> 
 +  object(foo\qux)#5 (0) { 
 +  } 
 +} 
 +</code>
 ===== Backward Incompatible Changes ===== ===== Backward Incompatible Changes =====
  
rfc/nested_classes.1380671127.txt.gz · Last modified: 2017/09/22 13:28 (external edit)

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