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/vendor/symfony/event-dispatcher/ -> Event.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\EventDispatcher;
  13  
  14  /**
  15   * Event is the base class for classes containing event data.
  16   *
  17   * This class contains no event data. It is used by events that do not pass
  18   * state information to an event handler when an event is raised.
  19   *
  20   * You can call the method stopPropagation() to abort the execution of
  21   * further listeners in your event listener.
  22   *
  23   * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
  24   * @author Jonathan Wage <jonwage@gmail.com>
  25   * @author Roman Borschel <roman@code-factory.org>
  26   * @author Bernhard Schussek <bschussek@gmail.com>
  27   */
  28  class Event
  29  {
  30      /**
  31       * @var bool Whether no further event listeners should be triggered
  32       */
  33      private $propagationStopped = false;
  34  
  35      /**
  36       * Returns whether further event listeners should be triggered.
  37       *
  38       * @see Event::stopPropagation()
  39       *
  40       * @return bool Whether propagation was already stopped for this event
  41       */
  42      public function isPropagationStopped()
  43      {
  44          return $this->propagationStopped;
  45      }
  46  
  47      /**
  48       * Stops the propagation of the event to further event listeners.
  49       *
  50       * If multiple event listeners are connected to the same event, no
  51       * further event listener will be triggered once any trigger calls
  52       * stopPropagation().
  53       */
  54      public function stopPropagation()
  55      {
  56          $this->propagationStopped = true;
  57      }
  58  }


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