3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = "O'Connor, Doris B. - 09-01-2014 - a00005213.exe"; $searcharr = preg_match("/^\w+/", $name, $matches); if (strlen($matches[0]) >= 4) $searchstr = substr($matches[0], 0 ,4); else $searchstr = $matches[0]; print($searchstr);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
O
preferences:
243.04 ms | 406 KiB | 355 Q