update composer.json

composer.json

@@ -19,7 +19,7 @@
     },
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=5.4",
         "ext-gd" : ">=2.1.0"
     }
 }

src/Qii.php

@@ -125,7 +125,7 @@ class Qii extends Application
      * @param Int|String $code
      * @return Bool
      */
-    public static function setError($condition, $line = 0, $code, $args = null, $msg = '')
+    public static function setError($condition, $line = 0, $code = 0, $args = null, $msg = '')
     {
         return call_user_func_array(array('\Qii\Exceptions\Error', 'setError'), func_get_args());
     }