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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the Symfony EventDispatcher "Event" contract
* - (c) 2018-2019 Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Event;
use Psr\EventDispatcher\StoppableEventInterface;
/**
* Base class for classes containing event data.
*
* This class contains no event data. It is used by events that do not pass
* state information to an event handler when an event is raised.
*
* You can call the method stopPropagation() to abort the execution of
* further listeners in your event listener.
*/
abstract class AbstractEvent implements StoppableEventInterface
{
/** @psalm-readonly-allow-private-mutation */
private bool $propagationStopped = false;
/**
* Returns whether further event listeners should be triggered.
*/
final public function isPropagationStopped(): bool
{
return $this->propagationStopped;
}
/**
* Stops the propagation of the event to further event listeners.
*
* If multiple event listeners are connected to the same event, no
* further event listener will be triggered once any trigger calls
* stopPropagation().
*/
final public function stopPropagation(): void
{
$this->propagationStopped = true;
}
}
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