vendor/zendframework/zend-eventmanager/src/ListenerAggregateTrait.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\EventManager;
  11
  12 /**
  13  * Provides logic to easily create aggregate listeners, without worrying about
  14  * manually detaching events
  15  */
  16 trait ListenerAggregateTrait
  17 {
  18     /**
  19      * @var \Zend\Stdlib\CallbackHandler[]
  20      */
  21     protected $listeners = [];
  22
  23     /**
  24      * {@inheritDoc}
  25      */
  26     public function detach(EventManagerInterface $events)
  27     {
  28         foreach ($this->listeners as $index => $callback) {
  29             if ($events->detach($callback)) {
  30                 unset($this->listeners[$index]);
  31             }
  32         }
  33     }
  34 }