MediaWiki  1.23.8
ScopedCallback.php
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1 <?php
30  protected $callback;
31 
36  public function __construct( $callback ) {
37  if ( !is_callable( $callback ) ) {
38  throw new InvalidArgumentException( "Provided callback is not valid." );
39  }
40  $this->callback = $callback;
41  }
42 
49  public static function consume( ScopedCallback &$sc = null ) {
50  $sc = null;
51  }
52 
58  public static function cancel( ScopedCallback &$sc = null ) {
59  if ( $sc ) {
60  $sc->callback = null;
61  }
62  $sc = null;
63  }
64 
68  function __destruct() {
69  if ( $this->callback !== null ) {
70  call_user_func( $this->callback );
71  }
72  }
73 }
php
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Definition: skin.txt:62
ScopedCallback\$callback
callable $callback
Definition: ScopedCallback.php:29
ScopedCallback
Class for asserting that a callback happens when an dummy object leaves scope.
Definition: ScopedCallback.php:28
ScopedCallback\__destruct
__destruct()
Trigger the callback when this leaves scope.
Definition: ScopedCallback.php:67
ScopedCallback\__construct
__construct( $callback)
Definition: ScopedCallback.php:35
ScopedCallback\consume
static consume(ScopedCallback &$sc=null)
Trigger a scoped callback and destroy it.
Definition: ScopedCallback.php:48
ScopedCallback\cancel
static cancel(ScopedCallback &$sc=null)
Destroy a scoped callback without triggering it.
Definition: ScopedCallback.php:57