Merge branch '3.4' into 4.4

* 3.4:
  Fix CS

Author: fabpot

RedirectResponse.php

@@ -47,7 +47,7 @@ public function __construct(?string $url, int $status = 302, array $headers = []
             throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $status));
         }
 
-        if (301 == $status && !\array_key_exists('cache-control', array_change_key_case($headers, \CASE_LOWER))) {
+        if (301 == $status && !\array_key_exists('cache-control', array_change_key_case($headers, CASE_LOWER))) {
             $this->headers->remove('cache-control');
         }
     }

Session/Storage/Handler/AbstractSessionHandler.php

@@ -121,7 +121,7 @@ public function destroy($sessionId)
     {
         if (!headers_sent() && filter_var(ini_get('session.use_cookies'), FILTER_VALIDATE_BOOLEAN)) {
             if (!$this->sessionName) {
-                throw new \LogicException(sprintf('Session name cannot be empty, did you forget to call "parent::open()" in "%s"?.', \get_class($this)));
+                throw new \LogicException(sprintf('Session name cannot be empty, did you forget to call "parent::open()" in "%s"?.', static::class));
             }
             $cookie = SessionUtils::popSessionCookie($this->sessionName, $sessionId);
 

Session/Storage/NativeSessionStorage.php

@@ -139,7 +139,7 @@ public function start()
             return true;
         }
 
-        if (\PHP_SESSION_ACTIVE === session_status()) {
+        if (PHP_SESSION_ACTIVE === session_status()) {
             throw new \RuntimeException('Failed to start the session: already started by PHP.');
         }
 
@@ -202,7 +202,7 @@ public function setName($name)
     public function regenerate($destroy = false, $lifetime = null)
     {
         // Cannot regenerate the session ID for non-active sessions.
-        if (\PHP_SESSION_ACTIVE !== session_status()) {
+        if (PHP_SESSION_ACTIVE !== session_status()) {
             return false;
         }
 
@@ -362,7 +362,7 @@ public function isStarted()
      */
     public function setOptions(array $options)
     {
-        if (headers_sent() || \PHP_SESSION_ACTIVE === session_status()) {
+        if (headers_sent() || PHP_SESSION_ACTIVE === session_status()) {
             return;
         }
 
@@ -427,7 +427,7 @@ public function setSaveHandler($saveHandler = null)
         }
         $this->saveHandler = $saveHandler;
 
-        if (headers_sent() || \PHP_SESSION_ACTIVE === session_status()) {
+        if (headers_sent() || PHP_SESSION_ACTIVE === session_status()) {
             return;
         }
 

Session/Storage/Proxy/AbstractProxy.php

@@ -65,7 +65,7 @@ public function isWrapper()
      */
     public function isActive()
     {
-        return \PHP_SESSION_ACTIVE === session_status();
+        return PHP_SESSION_ACTIVE === session_status();
     }
 
     /**