Merge branch '2.7' into 2.8

* 2.7:
  Increase the inlining YAML level for config:debug
  [Serializer] Minor: fix CS and PHPDoc
  [Form] fix tests
  [Serializer] Ensure that groups are strings
  [Debug] Tell that the extension is for PHP 5 only
  Static code analysis
  Update AnnotationDirectoryLoader.php
  added a test
  Escape the delimiter in Glob::toRegex
  [FrameworkBundle] Fix template location for PHP templates
  [FrameworkBundle] Add path verification to the template parsing test cases

Author: fabpot

Adapter/AbstractFindAdapter.php

@@ -98,7 +98,7 @@ public function searchInDirectory($dir)
         $command->setErrorHandler(
             $this->ignoreUnreadableDirs
                 // If directory is unreadable and finder is set to ignore it, `stderr` is ignored.
-                ? function ($stderr) { return; }
+                ? function ($stderr) { }
                 : function ($stderr) { throw new AccessDeniedException($stderr); }
         );
 

Glob.php

@@ -66,7 +66,7 @@ public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardS
                 $firstByte = true;
             }
 
-            if ('.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
+            if ($delimiter === $car || '.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
                 $regex .= "\\$car";
             } elseif ('*' === $car) {
                 $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');

Tests/GlobTest.php

@@ -17,6 +17,7 @@ class GlobTest extends \PHPUnit_Framework_TestCase
 {
     public function testGlobToRegexDelimiters()
     {
+        $this->assertEquals('#^(?=[^\.])\#$#', Glob::toRegex('#'));
         $this->assertEquals('#^\.[^/]*$#', Glob::toRegex('.*'));
         $this->assertEquals('^\.[^/]*$', Glob::toRegex('.*', true, true, ''));
         $this->assertEquals('/^\.[^/]*$/', Glob::toRegex('.*', true, true, '/'));