Cloudinary::is_assoc PHP Method

    private static function is_assoc($array)
    {
        if (!is_array($array)) {
            return FALSE;
        }
        return $array != array_values($array);
    }

 public static function encode_assoc_array($array)
 {
     if (Cloudinary::is_assoc($array)) {
         $encoded = array();
         foreach ($array as $key => $value) {
             array_push($encoded, $key . '=' . $value);
         }
         return implode("|", $encoded);
     } else {
         return $array;
     }
 }