59 lines
2.2 KiB
PHP
Executable File
59 lines
2.2 KiB
PHP
Executable File
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Contracts\EventDispatcher;
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use Psr\EventDispatcher\EventDispatcherInterface as PsrEventDispatcherInterface;
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if (interface_exists(PsrEventDispatcherInterface::class)) {
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/**
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* Allows providing hooks on domain-specific lifecycles by dispatching events.
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*/
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interface EventDispatcherInterface extends PsrEventDispatcherInterface
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{
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/**
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* Dispatches an event to all registered listeners.
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*
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* For BC with Symfony 4, the $eventName argument is not declared explicitly on the
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* signature of the method. Implementations that are not bound by this BC constraint
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* MUST declare it explicitly, as allowed by PHP.
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*
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* @param object $event The event to pass to the event handlers/listeners
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* @param string|null $eventName The name of the event to dispatch. If not supplied,
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* the class of $event should be used instead.
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*
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* @return object The passed $event MUST be returned
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*/
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public function dispatch($event/*, string $eventName = null*/);
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}
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} else {
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/**
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* Allows providing hooks on domain-specific lifecycles by dispatching events.
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*/
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interface EventDispatcherInterface
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{
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/**
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* Dispatches an event to all registered listeners.
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*
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* For BC with Symfony 4, the $eventName argument is not declared explicitly on the
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* signature of the method. Implementations that are not bound by this BC constraint
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* MUST declare it explicitly, as allowed by PHP.
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*
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* @param object $event The event to pass to the event handlers/listeners
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* @param string|null $eventName The name of the event to dispatch. If not supplied,
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* the class of $event should be used instead.
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*
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* @return object The passed $event MUST be returned
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*/
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public function dispatch($event/*, string $eventName = null*/);
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}
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}
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