Code refactor for select image from gallery

Author: ihorvansach

Controller/Adminhtml/Post/Save.php

@@ -71,10 +71,12 @@ protected function _beforeSave($model, $request)
 
                         $model->setData($key, $image);
                     } else {
-                        if (isset($data[$key][0]['url']) && false != strpos($data[$key][0]['url'], '/media/')){
-                            $index = strpos($data[$key][0]['url'], '/media/');
-                            $result = substr($data[$key][0]['url'],  $index + strlen('/media/'));
-                            $model->setData($key, $result);
+                        if (isset($data[$key][0]['url'])
+                            && false != ($position = strpos($data[$key][0]['url'], '/media/'))) {
+                            $model->setData(
+                                $key,
+                                substr($data[$key][0]['url'],  $position + strlen('/media/'))
+                            );
                         } elseif (isset($data[$key][0]['name'])) {
                             $model->setData($key, $data[$key][0]['name']);
                         }