Merge branch '2.3' into 2.6

* 2.3:
  replaced the last remaining is_integer() call
  [2.3] [Config] [Console] [DependencyInjection] [DomCrawler] [Form] [HttpKernel] [PropertyAccess] [Security] [Translation] [Yaml] static code analysis, code cleanup
  [Validator] Added missing galician (gl) translations
  [travis] Tests Security sub-components
  [travis] Tests Security sub-components
  CS fixes
  [travis] test with php nightly

Conflicts:
	src/Symfony/Component/Security/Http/Tests/Firewall/RememberMeListenerTest.php

Author: fabpot

AbstractRendererEngine.php

@@ -67,8 +67,7 @@ public function setTheme(FormView $view, $themes)
         // Unset instead of resetting to an empty array, in order to allow
         // implementations (like TwigRendererEngine) to check whether $cacheKey
         // is set at all.
-        unset($this->resources[$cacheKey]);
-        unset($this->resourceHierarchyLevels[$cacheKey]);
+        unset($this->resources[$cacheKey], $this->resourceHierarchyLevels[$cacheKey]);
     }
 
     /**

FormBuilder.php

@@ -138,8 +138,7 @@ public function remove($name)
             throw new BadMethodCallException('FormBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');
         }
 
-        unset($this->unresolvedChildren[$name]);
-        unset($this->children[$name]);
+        unset($this->unresolvedChildren[$name], $this->children[$name]);
 
         return $this;
     }

FormEvents.php

@@ -12,10 +12,10 @@
 
 /**
  * To learn more about how form events work check the documentation
- * entry at {@link http://symfony.com/doc/any/components/form/form_events.html}
+ * entry at {@link http://symfony.com/doc/any/components/form/form_events.html}.
  *
  * To learn how to dynamically modify forms using events check the cookbook
- * entry at {@link http://symfony.com/doc/any/cookbook/form/dynamic_form_modification.html}
+ * entry at {@link http://symfony.com/doc/any/cookbook/form/dynamic_form_modification.html}.
  *
  * @author Bernhard Schussek <[email protected]>
  */

FormRenderer.php

@@ -296,8 +296,7 @@ public function searchAndRenderBlock(FormView $view, $blockNameSuffix, array $va
         // Clear the caches if they were filled for the first time within
         // this function call
         if ($hierarchyInit) {
-            unset($this->blockNameHierarchyMap[$viewAndSuffixCacheKey]);
-            unset($this->hierarchyLevelMap[$viewAndSuffixCacheKey]);
+            unset($this->blockNameHierarchyMap[$viewAndSuffixCacheKey], $this->hierarchyLevelMap[$viewAndSuffixCacheKey]);
         }
 
         if ($varInit) {

Test/FormPerformanceTestCase.php

@@ -54,7 +54,7 @@ protected function runTest()
      */
     public function setMaxRunningTime($maxRunningTime)
     {
-        if (is_integer($maxRunningTime) && $maxRunningTime >= 0) {
+        if (is_int($maxRunningTime) && $maxRunningTime >= 0) {
             $this->maxRunningTime = $maxRunningTime;
         } else {
             throw new \InvalidArgumentException();