rfc:functionarraydereferencing

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rfc:functionarraydereferencing [2010/06/07 16:50] – Update feliperfc:functionarraydereferencing [2013/10/29 17:23] – -> Implemented nikic
Line 4: Line 4:
   * Date: May  01, 2009 (declined)   * Date: May  01, 2009 (declined)
   * Date: June 07, 2010 (re-opened)   * Date: June 07, 2010 (re-opened)
-  * Author: Felipe Pena <felipe@php.net> +  * Author: Philip Olson <philip@php.net>, Felipe Pena <felipe@php.net> 
-  * Status: Open +  * Status: Implemented in PHP 5.4
 ===== Introduction ===== ===== Introduction =====
  
Line 20: Line 19:
 <code php> <code php>
 <?php <?php
- 
-echo fruit()['a']; // apple 
  
 function fruit () { function fruit () {
   return array('a' => 'apple', 'b' => 'banana');   return array('a' => 'apple', 'b' => 'banana');
 } }
 +
 +echo fruit()['a']; // apple
 +
 ?> ?>
 </code> </code>
Line 33: Line 33:
 <code php> <code php>
 <?php <?php
 +
 +function fruit () {
 +  return array('a' => 'apple', 'b' => 'banana');
 +}
  
 $fruits = fruit(); $fruits = fruit();
 echo $fruits['a']; echo $fruits['a'];
  
-function fruit () { 
-  return array('a' => 'apple', 'b' => 'banana'); 
-} 
 ?> ?>
 </code> </code>
Line 47: Line 48:
 <code php> <code php>
 <?php <?php
- 
 function &foo(&$foo) { function &foo(&$foo) {
  return $foo;  return $foo;
 } }
 + 
 +$a = array(1);
 +$b = foo($a)[0];
 +$b = 2;
 +var_dump($b); // array(1) {  [0]=>  int(2) }
  
-$a = array(1); 
-foo($a)[0] = 2; 
-var_dump($a); // array(1) {  [0]=>  int(2) } 
 ?> ?>
 </code> </code>
Line 76: Line 78:
  
 $foo = new foo; $foo = new foo;
-var_dump($foo->bar()[1]);+var_dump($foo->bar()[1]); // float(2.3)
 $foo->array[] = $foo; $foo->array[] = $foo;
-var_dump($foo->bar()[2]->bar()[2]->array[0]);+var_dump($foo->bar()[2]->bar()[2]->array[0]); // int(1)
  
 ?> ?>
Line 88: Line 90:
   * April 3, 2004: http://markmail.org/message/sbnrb7nekwy7xt3x   * April 3, 2004: http://markmail.org/message/sbnrb7nekwy7xt3x
   * November 9, 2006: http://markmail.org/message/5bv6mtd7zorni7gc   * November 9, 2006: http://markmail.org/message/5bv6mtd7zorni7gc
 +  * June 3, 2010: http://markmail.org/message/3ancnjwqhax47n2j 
 +  * June 7, 2010: http://markmail.org/message/unplu5x3gjjjydwz [Patch proposal]
rfc/functionarraydereferencing.txt · Last modified: 2017/09/22 13:28 by 127.0.0.1

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