public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true) { if (is_null($string) || $string == '\\0' || $string == '') { throw new Exception('empty string!!!'); } $split = new QRsplit($string, $input, $modeHint); if (!$casesensitive) { $split->toUpper(); } return $split->splitString(); }