[EventDispatcher] fix registering subscribers twice on edge-case

nicolas-grekas · nicolas-grekas · commit ad6007299813 · 2021-02-18T18:12:37.000+01:00
diff --git a/src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php b/src/Symfony/Component/EventDispatcher/DependencyInjection/RegisterListenersPass.php
@@ -149,7 +149,7 @@ public function process(ContainerBuilder $container)
                     continue;
                 }
 
-                $dispatcherDefinitions[] = $container->getDefinition($attributes['dispatcher']);
+                $dispatcherDefinitions[$attributes['dispatcher']] = $container->getDefinition($attributes['dispatcher']);
             }
 
             if (!$dispatcherDefinitions) {

Original file line number	Diff line number	Diff line change
`@@ -149,7 +149,7 @@ public function process(ContainerBuilder $container)`
`149`	`149`	`continue;`
`150`	`150`	`}`
`151`	`151`
`152`		`- $dispatcherDefinitions[] = $container->getDefinition($attributes['dispatcher']);`
	`152`	`+ $dispatcherDefinitions[$attributes['dispatcher']] = $container->getDefinition($attributes['dispatcher']);`
`153`	`153`	`}`
`154`	`154`
`155`	`155`	`if (!$dispatcherDefinitions) {`