assign excluded_extensions to local variable before checking of empty

and update the read me file badges

readme.md

@@ -1,8 +1,11 @@
 
 # CDN Assets Manager
 
-[![Build Status](https://travis-ci.org/thephpleague/statsd.png?branch=master)](https://travis-ci.org/Vinelab/cdn)
-[![Total Downloads](https://poser.pugx.org/league/statsd/downloads.png)](https://packagist.org/packages/vinelab/cdn)
+[![Latest Stable Version](https://poser.pugx.org/vinelab/cdn/v/stable.svg)](https://packagist.org/packages/vinelab/cdn)
+[![Latest Unstable Version](https://poser.pugx.org/vinelab/cdn/v/unstable.svg)](https://packagist.org/packages/vinelab/cdn)
+[![Total Downloads](https://poser.pugx.org/vinelab/cdn/downloads.svg)](https://packagist.org/packages/vinelab/cdn)
+[![License](https://poser.pugx.org/vinelab/cdn/license.svg)](https://packagist.org/packages/vinelab/cdn)
+
 Content Delivery Network Package for Laravel 4
 
 Upload static assets of your choice to a CDN and have the file paths replaced with full URLs.

src/Vinelab/Cdn/Finder.php

@@ -110,7 +110,8 @@ private function excludeThis(AssetInterface $asset_holder)
         }
 
         // exclude files (if exist) with this extensions
-        if ( ! empty($asset_holder->getExcludedExtensions()))
+        $excluded_extensions = $asset_holder->getExcludedExtensions();
+        if ( ! empty($excluded_extensions))
         {
             foreach ($asset_holder->getExcludedExtensions() as $extension) {
                 $this->notName('*' . $extension);