Update the Yaml driver

README.md

@@ -66,7 +66,7 @@ To use Yaml instead of JSON, just pass a file that ends on `.yml`:
 
     $app->register(new Igorw\Silex\ConfigServiceProvider(__DIR__."/../config/services.yml"));
 
-Note, you will have to require the `~2.1` of the `symfony/yaml` package.
+Note, you will have to require the `~2.2` of the `symfony/yaml` package.
 
 ### Using TOML
 

composer.json

@@ -17,11 +17,11 @@
         "silex/silex": "~1.0"
     },
     "require-dev": {
-        "symfony/yaml": "~2.1",
+        "symfony/yaml": "~2.2",
         "jamesmoss/toml": "~0.1"
     },
     "suggest": {
-        "symfony/yaml": "~2.1",
+        "symfony/yaml": "~2.2",
         "jamesmoss/toml": "~0.1"
     },
     "autoload": {

src/Igorw/Silex/YamlConfigDriver.php

@@ -11,7 +11,9 @@ public function load($filename)
         if (!class_exists('Symfony\\Component\\Yaml\\Yaml')) {
             throw new \RuntimeException('Unable to read yaml as the Symfony Yaml Component is not installed.');
         }
-        $config = Yaml::parse($filename);
+
+        $input = file_get_contents($filename); 
+        $config = Yaml::parse($input);
         return $config ?: array();
     }