Symfony使用事件对象来传递有关事件的详细信息,例如发生事件的上下文、事件类型等。事件类通常继承自Symfony\Contracts\EventDispatcher\Event接口。 监听器接口:监听器是一个实现了Symfony\Contracts\EventDispatcher\ListenerInterface接口的类。这个接口定义了一个名为handle()的方法,用于处理事件。当事件被触发时,这个方法将...
Event Name Introspection TheEventDispatcherinstance, as well as the name of the event that is dispatched, are passed as arguments to the listener: 1 2 3 4 5 6 7 8 9 10 useSymfony\Contracts\EventDispatcher\Event;useSymfony\Contracts\EventDispatcher\EventDispatcherInterface;classMyListener{publicfun...
The signature of the EventDispatcherInterface::dispatch() method has been changed to dispatch($event, string $eventName = null): object. The Event class has been removed in favor of Symfony\Contracts\EventDispatcher\Event. The TraceableEventDispatcherInterface has been removed. The WrappedListener ...
$dispatcher -> addListener ( 'demo.event' , array ( $listener , 'onDemoEvent' )); 最后,我们使用dispatch该类的方法EventDispatcher来调度demo.event事件。 1 $dispatcher ->调度( DemoEvent :: NAME , new DemoEvent ()); 当您运行basic_example.php文件时,它应该产生以下输出。 正如预期的那样,类on...
// 定义事件namespaceApp\Event;useSymfony\Contracts\EventDispatcher\Event;classUserRegisteredEventextendsEvent{private$user;publicfunction__construct($user){$this->user=$user;}publicfunctiongetUser(){return$this->user;}}// 事件监听器namespaceApp\EventListener;useApp\Event\UserRegisteredEvent;useSymfony...
EventDispatcher Contracts Generic abstractions related to dispatching event Source code Documentation 609 M (525K/day) 314 Polyfill Intl IDN Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions Source code Documentation 636 M (522K/day) 71 CssSelector Converts CSS ...
Provides tools that allow your application components to communicate with each other by dispatching events and listening to them - GitHub - symfony/event-dispatcher at v5.3.7
*/publicstaticfunctiongetSubscribedEvents():array{return[FormEvents::PRE_SET_DATA=>'onPreSetData',];}publicfunctiononPreSetData(FormEvent $event):void{$form=$event->getForm();$parentForm=$event->getForm()->getParent();/** @var TaggableInterface $taggable */$taggable=$parentForm->getData();...
./symfony/event-dispatcher/Debug/TraceableEventDispatcher.php: publicfunction__call(string$method, array$arguments): mixed ./symfony/dependency-injection/Loader/Configurator/EnvConfigurator.php: publicfunction__call(string$name, array$arguments): static ...
deb http://cz.archive.ubuntu.com/ubuntujammy main universe Replacingcz.archive.ubuntu.com/ubuntuwith the mirror in question. You can download the requested file from thepool/universe/p/php-symfony-contracts/subdirectory at any of these sites:...