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Edit File: EventSubscriberInterface.php

<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\EventDispatcher; /** * An EventSubscriber knows itself what events it is interested in. * If an EventSubscriber is added to an EventDispatcherInterface, the manager invokes * {@link getSubscribedEvents} and registers the subscriber as a listener for all * returned events. * * @author Guilherme Blanco <guilhermeblanco@hotmail.com> * @author Jonathan Wage <jonwage@gmail.com> * @author Roman Borschel <roman@code-factory.org> * @author Bernhard Schussek <bschussek@gmail.com> */ interface EventSubscriberInterface { /** * Returns an array of event names this subscriber wants to listen to. * * The array keys are event names and the value can be: * * * The method name to call (priority defaults to 0) * * An array composed of the method name to call and the priority * * An array of arrays composed of the method names to call and respective * priorities, or 0 if unset * * For instance: * * * ['eventName' => 'methodName'] * * ['eventName' => ['methodName', $priority]] * * ['eventName' => [['methodName1', $priority], ['methodName2']]] * * The code must not depend on runtime state as it will only be called at compile time. * All logic depending on runtime state must be put into the individual methods handling the events. * * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>> */ public static function getSubscribedEvents(): array; }