Merge branch '2.7' into 2.8

* 2.7:
  fixed CS
  SCA with Php Inspections (EA Extended): 2.7
  Remove deprecated each function
  Fixed PHPdoc return references in FormBuilderInterface
  [FrameworkBundle] Fix perf issue in CacheClearCommand::warmup()

Author: fabpot

ChoiceList/Factory/DefaultChoiceListFactory.php

@@ -89,7 +89,7 @@ public function createView(ChoiceListInterface $list, $preferredChoices = null,
 
         if (!is_callable($preferredChoices) && !empty($preferredChoices)) {
             $preferredChoices = function ($choice) use ($preferredChoices) {
-                return false !== array_search($choice, $preferredChoices, true);
+                return in_array($choice, $preferredChoices, true);
             };
         }
 

FormBuilderInterface.php

@@ -27,7 +27,7 @@ interface FormBuilderInterface extends \Traversable, \Countable, FormConfigBuild
      * @param string|FormTypeInterface        $type
      * @param array                           $options
      *
-     * @return $this
+     * @return self
      */
     public function add($child, $type = null, array $options = array());
 
@@ -58,7 +58,7 @@ public function get($name);
      *
      * @param string $name
      *
-     * @return $this
+     * @return self
      */
     public function remove($name);
 

FormRenderer.php

@@ -316,6 +316,6 @@ public function searchAndRenderBlock(FormView $view, $blockNameSuffix, array $va
      */
     public function humanize($text)
     {
-        return ucfirst(trim(strtolower(preg_replace(array('/([A-Z])/', '/[_\s]+/'), array('_$1', ' '), $text))));
+        return ucfirst(strtolower(trim(preg_replace(array('/([A-Z])/', '/[_\s]+/'), array('_$1', ' '), $text))));
     }
 }