Added backslash to PHP internal functions

Author: nilportugues

composer.json

@@ -23,7 +23,9 @@
         "symfony/psr-http-message-bridge": "~0.2"
     },
     "require-dev": {
-        "fabpot/php-cs-fixer": "^1.9",
+        "symfony/symfony": "2.*",
+        "fabpot/php-cs-fixer": "~1.9",
+        "nilportugues/php_backslasher": "~0.2",
         "mmoreram/php-formatter": "dev-master"
     },
     "config": {

src/DependencyInjection/NilPortuguesSymfony2HalJsonExtension.php

@@ -36,14 +36,14 @@ public function load(array $configs, ContainerBuilder $container)
      */
     private function setMappings(ContainerBuilder $container, $config)
     {
-        if (true === file_exists($config['mappings'])) {
+        if (true === \file_exists($config['mappings'])) {
             $finder = new Finder();
             $finder->files()->in($config['mappings']);
             $loadedMappings = [];
 
             foreach ($finder as $file) {
                 /* @var \Symfony\Component\Finder\SplFileInfo $file */
-                $mapping = file_get_contents($file->getPathname());
+                $mapping = \file_get_contents($file->getPathname());
                 $mapping = Yaml::parse($mapping);
                 $loadedMappings[] = $mapping['mapping'];
             }

src/Serializer/HalJsonResponseTrait.php

@@ -8,13 +8,14 @@ trait HalJsonResponseTrait
 {
     /**
      * @param \Psr\Http\Message\ResponseInterface $response
+     *
      * @return \Psr\Http\Message\ResponseInterface
      */
     protected function addHeaders(\Psr\Http\Message\ResponseInterface $response)
     {
         return $response;
     }
-    
+
     /**
      * @param string $json
      *

src/Serializer/HalJsonSerializer.php

@@ -8,6 +8,7 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+
 namespace NilPortugues\Symfony2\HalJsonBundle\Serializer;
 
 use NilPortugues\Api\HalJson\HalJsonTransformer;
@@ -94,18 +95,18 @@ private function getUrlPattern(Router $router, $routeNameFromMappingFile)
                 }
             } catch (\Exception $e) {
                 throw new \RuntimeException(
-                   sprintf('Route \'%s\' has not been defined as a Symfony route.', $routeNameFromMappingFile)
+                   \sprintf('Route \'%s\' has not been defined as a Symfony route.', $routeNameFromMappingFile)
                );
             }
 
-            preg_match_all('/{(.*?)}/', $route->getPath(), $matches);
+            \preg_match_all('/{(.*?)}/', $route->getPath(), $matches);
 
             $pattern = [];
             if (!empty($matches)) {
-                $pattern = array_combine($matches[1], $matches[0]);
+                $pattern = \array_combine($matches[1], $matches[0]);
             }
 
-            return urldecode($router->generate($routeNameFromMappingFile, $pattern, true));
+            return \urldecode($router->generate($routeNameFromMappingFile, $pattern, true));
         }
 
         return (string) $routeNameFromMappingFile;