Merge branch '2.3' into 2.4

* 2.3:
  [HttpKernel] add use statement for phpdoc
  Disabled the PHPUnit self-update on Travis
  [ClassLoader] simplified phpdoc
  [ClassLoader] Add a __call() method to XcacheClassLoader
  fix some minor typos in tests
  [Yaml] fixed mapping keys containing a quoted #
  Added fixture to test parsing of hash keys ending with a space and #
  [Filesystem Component] mkdir race condition fix #11626
  [Validator] reverted permissions change on translation files
  Fixed Factory services not within the ServiceReferenceGraph.
  [CssSelector] Fix URL to SimonSapin/cssselect repo
  [Validator] Fixed wrong translation keys/messages for Collection constraint. The error messages for a missing field and an unexpected field did not match the Contraint class
  [YAML] resolve variables in inlined YAML
  Disallow abstract definitions from doctrine event listener registration

Conflicts:
	src/Symfony/Bridge/Doctrine/DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPass.php
	src/Symfony/Bridge/Doctrine/Tests/DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPassTest.php
	src/Symfony/Bundle/FrameworkBundle/EventListener/SessionListener.php
	src/Symfony/Component/Filesystem/Filesystem.php

ApcClassLoader.php

@@ -15,7 +15,7 @@ namespace Symfony\Component\ClassLoader;
  * ApcClassLoader implements a wrapping autoloader cached in APC for PHP 5.3.
  *
  * It expects an object implementing a findFile method to find the file. This
- * allow using it as a wrapper around the other loaders of the component (the
+ * allows using it as a wrapper around the other loaders of the component (the
  * ClassLoader and the UniversalClassLoader for instance) but also around any
  * other autoloader following this convention (the Composer one for instance)
  *
@@ -46,7 +46,7 @@ class ApcClassLoader
     /**
      * The class loader object being decorated.
      *
-     * @var \Symfony\Component\ClassLoader\ClassLoader
+     * @var object
      *   A class loader object that implements the findFile() method.
      */
     protected $decorated;
@@ -133,5 +133,4 @@ class ApcClassLoader
     {
         return call_user_func_array(array($this->decorated, $method), $args);
     }
-
 }

ClassMapGenerator.php

@@ -11,6 +11,10 @@
 
 namespace Symfony\Component\ClassLoader;
 
+if (!defined('T_TRAIT')) {
+    define('T_TRAIT', 0);
+}
+
 /**
  * ClassMapGenerator
  *
@@ -84,7 +88,6 @@ class ClassMapGenerator
     {
         $contents = file_get_contents($path);
         $tokens   = token_get_all($contents);
-        $T_TRAIT  = version_compare(PHP_VERSION, '5.4', '<') ? -1 : T_TRAIT;
 
         $classes = array();
 
@@ -111,7 +114,7 @@ class ClassMapGenerator
                     break;
                 case T_CLASS:
                 case T_INTERFACE:
-                case $T_TRAIT:
+                case T_TRAIT:
                     // Find the classname
                     while (($t = $tokens[++$i]) && is_array($t)) {
                         if (T_STRING === $t[0]) {

XcacheClassLoader.php

@@ -12,7 +12,7 @@
 namespace Symfony\Component\ClassLoader;
 
 /**
- * XcacheClassLoader implements a wrapping autoloader cached in Xcache for PHP 5.3.
+ * XcacheClassLoader implements a wrapping autoloader cached in XCache for PHP 5.3.
  *
  * It expects an object implementing a findFile method to find the file. This
  * allows using it as a wrapper around the other loaders of the component (the
@@ -43,31 +43,35 @@ namespace Symfony\Component\ClassLoader;
 class XcacheClassLoader
 {
     private $prefix;
-    private $classFinder;
+
+    /**
+     * @var object A class loader object that implements the findFile() method
+     */
+    private $decorated;
 
     /**
      * Constructor.
      *
-     * @param string $prefix      A prefix to create a namespace in Xcache
-     * @param object $classFinder An object that implements findFile() method.
+     * @param string $prefix      The XCache namespace prefix to use.
+     * @param object $decorated   A class loader object that implements the findFile() method.
      *
      * @throws \RuntimeException
      * @throws \InvalidArgumentException
      *
      * @api
      */
-    public function __construct($prefix, $classFinder)
+    public function __construct($prefix, $decorated)
     {
-        if (!extension_loaded('Xcache')) {
-            throw new \RuntimeException('Unable to use XcacheClassLoader as Xcache is not enabled.');
+        if (!extension_loaded('xcache')) {
+            throw new \RuntimeException('Unable to use XcacheClassLoader as XCache is not enabled.');
         }
 
-        if (!method_exists($classFinder, 'findFile')) {
+        if (!method_exists($decorated, 'findFile')) {
             throw new \InvalidArgumentException('The class finder must implement a "findFile" method.');
         }
 
         $this->prefix = $prefix;
-        $this->classFinder = $classFinder;
+        $this->decorated = $decorated;
     }
 
     /**
@@ -116,10 +120,18 @@ class XcacheClassLoader
         if (xcache_isset($this->prefix.$class)) {
             $file = xcache_get($this->prefix.$class);
         } else {
-            $file = $this->classFinder->findFile($class);
+            $file = $this->decorated->findFile($class);
             xcache_set($this->prefix.$class, $file);
         }
 
         return $file;
     }
+
+    /**
+     * Passes through all unknown calls onto the decorated object.
+     */
+    public function __call($method, $args)
+    {
+        return call_user_func_array(array($this->decorated, $method), $args);
+    }
 }

phpunit.xml.dist

@@ -1,14 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         backupGlobals="false"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="vendor/autoload.php"
 >
     <testsuites>