minor #20185 Remove unused variable (lin-lu)

fabpot · fabpot · commit eac27275b107 · 2016-10-12T18:42:27.000-07:00
This PR was submitted for the master branch but it was merged into the 2.8 branch instead (closes #20185). Discussion ---------- Remove unused variable Remove unused variable $key. Commits ------- 129694f Remove unused variable
diff --git a/src/Symfony/Component/EventDispatcher/EventDispatcher.php b/src/Symfony/Component/EventDispatcher/EventDispatcher.php
@@ -92,7 +92,7 @@ public function getListenerPriority($eventName, $listener)
         }
 
         foreach ($this->listeners[$eventName] as $priority => $listeners) {
-            if (false !== ($key = array_search($listener, $listeners, true))) {
+            if (false !== array_search($listener, $listeners, true)) {
                 return $priority;
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -92,7 +92,7 @@ public function getListenerPriority($eventName, $listener)`
`92`	`92`	`}`
`93`	`93`
`94`	`94`	`foreach ($this->listeners[$eventName] as $priority => $listeners) {`
`95`		`- if (false !== ($key = array_search($listener, $listeners, true))) {`
	`95`	`+ if (false !== array_search($listener, $listeners, true)) {`
`96`	`96`	`return $priority;`
`97`	`97`	`}`
`98`	`98`	`}`