Remove call_user_func and global function that was only used a single…

… place

composer.json

@@ -4,8 +4,7 @@
     "license" : "MIT",
 
     "autoload" : {
-        "psr-0" : { "Tacker\\" : "src" },
-        "files" : ["src/Tacker/functions.php"]
+        "psr-0" : { "Tacker\\" : "src" }
     },
 
     "require" : {

src/Tacker/Loader/NormalizerLoader.php

@@ -20,16 +20,20 @@ public function load($resource, $type = null)
     {
         $parameters = $this->loader->load($resource, $type);
 
-        return tacker_array_map_recursive($parameters, array($this, 'normalize'));
+        return array_map(array($this, 'normalize'), $parameters);
     }
 
     public function supports($resource, $type = null)
     {
         return $this->loader->supports($resource, $type);
     }
 
-    public function normalize($value)
+    private function normalize($value)
     {
-        return is_string($value) ? $this->normalizer->normalize($value) : $value;
+        if (is_array($value)) {
+            return array_map(array($this, 'normalize'), $value);
+        }
+
+        return $this->normalizer->normalize($value);
     }
 }