Merge pull request #39 from Xantios/master

Added a Filter function

Author: Moinax

src/Moinax/TvDb/Client.php

@@ -209,6 +209,21 @@ public function getBanners($serieId)
         return $banners;
     }
 
+    /**
+     * Find banners that match a filter string
+     * Eg: poster or season 
+    */
+    public function getBannersFiltered($serieId,$filter) {
+        $data = $this->getBanners($serieId);
+        $banners = array();
+        foreach($data as $image) {
+            if($image->type == $filter) {
+                $banners[] = $image;
+            }
+        }
+        return $banners;
+    }
+
     /**
      * Find all actors related to a serie
      *