1 files changed, 48 insertions, 31 deletions

diff --git a/vendor/sabre/event/lib/EmitterTrait.php b/vendor/sabre/event/lib/EmitterTrait.php
index 5502ef9f3..dafae362f 100644
--- a/vendor/sabre/event/lib/EmitterTrait.php
+++ b/vendor/sabre/event/lib/EmitterTrait.php
@@ -1,11 +1,9 @@
-<?php
-
-declare(strict_types=1);
+<?php declare (strict_types=1);
 
 namespace Sabre\Event;
 
 /**
- * Event Emitter Trait.
+ * Event Emitter Trait
  *
  * This trait contains all the basic functions to implement an
  * EventEmitterInterface.
@@ -17,45 +15,53 @@ namespace Sabre\Event;
  * @author Evert Pot (http://evertpot.com/)
  * @license http://sabre.io/license/ Modified BSD License
  */
-trait EmitterTrait
-{
+trait EmitterTrait {
+
+
     /**
      * Subscribe to an event.
+     *
+     * @return void
      */
-    public function on(string $eventName, callable $callBack, int $priority = 100)
-    {
+    function on(string $eventName, callable $callBack, int $priority = 100) {
+
         if (!isset($this->listeners[$eventName])) {
             $this->listeners[$eventName] = [
                 true,  // If there's only one item, it's sorted
                 [$priority],
-                [$callBack],
+                [$callBack]
             ];
         } else {
             $this->listeners[$eventName][0] = false; // marked as unsorted
             $this->listeners[$eventName][1][] = $priority;
             $this->listeners[$eventName][2][] = $callBack;
         }
+
     }
 
     /**
      * Subscribe to an event exactly once.
+     *
+     * @return void
      */
-    public function once(string $eventName, callable $callBack, int $priority = 100)
-    {
+    function once(string $eventName, callable $callBack, int $priority = 100) {
+
         $wrapper = null;
-        $wrapper = function () use ($eventName, $callBack, &$wrapper) {
-            $this->removeListener($eventName, $wrapper);
+        $wrapper = function() use ($eventName, $callBack, &$wrapper) {
 
+            $this->removeListener($eventName, $wrapper);
             return \call_user_func_array($callBack, \func_get_args());
+
         };
 
         $this->on($eventName, $wrapper, $priority);
+
     }
 
     /**
      * Emits an event.
      *
-     * This method will return true if 0 or more listeners were successfully
+     * This method will return true if 0 or more listeners were succesfully
      * handled. false is returned if one of the events broke the event chain.
      *
      * If the continueCallBack is specified, this callback will be called every
@@ -73,35 +79,41 @@ trait EmitterTrait
      * Lastly, if there are 5 event handlers for an event. The continueCallback
      * will be called at most 4 times.
      */
-    public function emit(string $eventName, array $arguments = [], callable $continueCallBack = null): bool
-    {
+    function emit(string $eventName, array $arguments = [], callable $continueCallBack = null) : bool {
+
         if (\is_null($continueCallBack)) {
+
             foreach ($this->listeners($eventName) as $listener) {
+
                 $result = \call_user_func_array($listener, $arguments);
-                if (false === $result) {
+                if ($result === false) {
                     return false;
                 }
             }
+
         } else {
+
             $listeners = $this->listeners($eventName);
             $counter = \count($listeners);
 
             foreach ($listeners as $listener) {
-                --$counter;
+
+                $counter--;
                 $result = \call_user_func_array($listener, $arguments);
-                if (false === $result) {
+                if ($result === false) {
                     return false;
                 }
 
                 if ($counter > 0) {
-                    if (!$continueCallBack()) {
-                        break;
-                    }
+                    if (!$continueCallBack()) break;
                 }
+
             }
+
         }
 
         return true;
+
     }
 
     /**
@@ -112,14 +124,15 @@ trait EmitterTrait
      *
      * @return callable[]
      */
-    public function listeners(string $eventName): array
-    {
+    function listeners(string $eventName) : array {
+
         if (!isset($this->listeners[$eventName])) {
             return [];
         }
 
         // The list is not sorted
         if (!$this->listeners[$eventName][0]) {
+
             // Sorting
             \array_multisort($this->listeners[$eventName][1], SORT_NUMERIC, $this->listeners[$eventName][2]);
 
@@ -128,6 +141,7 @@ trait EmitterTrait
         }
 
         return $this->listeners[$eventName][2];
+
     }
 
     /**
@@ -136,8 +150,8 @@ trait EmitterTrait
      * If the listener could not be found, this method will return false. If it
      * was removed it will return true.
      */
-    public function removeListener(string $eventName, callable $listener): bool
-    {
+    function removeListener(string $eventName, callable $listener) : bool {
+
         if (!isset($this->listeners[$eventName])) {
             return false;
         }
@@ -145,12 +159,11 @@ trait EmitterTrait
             if ($check === $listener) {
                 unset($this->listeners[$eventName][1][$index]);
                 unset($this->listeners[$eventName][2][$index]);
-
                 return true;
             }
         }
-
         return false;
+
     }
 
     /**
@@ -159,20 +172,24 @@ trait EmitterTrait
      * If the eventName argument is specified, all listeners for that event are
      * removed. If it is not specified, every listener for every event is
      * removed.
+     *
+     * @return void
      */
-    public function removeAllListeners(string $eventName = null)
-    {
+    function removeAllListeners(string $eventName = null) {
+
         if (!\is_null($eventName)) {
             unset($this->listeners[$eventName]);
         } else {
             $this->listeners = [];
         }
+
     }
 
     /**
-     * The list of listeners.
+     * The list of listeners
      *
      * @var array
      */
     protected $listeners = [];
+
 }