3v4l.org

run code in 300+ PHP versions simultaneously
<?php $range = "2008-2013"; $year = "2008"; $shite = "-2013"; $regex = "(\d{4}\-\d{4}|\d{4})/is"; $matches = array(); preg_match($regex, $range, $matches); preg_match($regex, $year, $matches); preg_match($regex, $shite, $matches); print_r($matches); ?>
Output for 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 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
Warning: preg_match(): Unknown modifier '/' in /in/dAaUc on line 10 Warning: preg_match(): Unknown modifier '/' in /in/dAaUc on line 11 Warning: preg_match(): Unknown modifier '/' in /in/dAaUc on line 12 Array ( )
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '/' in /in/dAaUc on line 10 Warning: Unknown modifier '/' in /in/dAaUc on line 11 Warning: Unknown modifier '/' in /in/dAaUc on line 12 Array ( )

preferences:
219.74 ms | 401 KiB | 398 Q