private static function convertNumbers($matches)
{
$farsi_array = array('۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹');
$english_array = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
return str_replace($english_array, $farsi_array, $matches);
}