public static function instance()
 {
     if (is_null(self::$_instance)) {
         self::$_instance = new self();
     }
     return self::$_instance;
 }
 public function get_raw()
 {
     $count = apply_filters('dude_img_hashfeed_insta_count', 10);
     $insta_cache = get_transient('dude_img_hashfeed_insta');
     if (!$insta_cache) {
         Dude_Img_Hashfeed_Fetch_Instagram::do_fetch();
         $insta_cache = get_transient('dude_img_hashfeed_insta');
     }
     $insta_cache = array_slice($insta_cache, 0, $count);
     return $insta_cache;
 }