3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Cookie: PDAuth=123asd4fsd2hgg3jk4jkl55l"; preg_match("/PDAuth=.*^/", $string, $match); print_r($match);
Output for 5.6.0 - 5.6.27, 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 - 8.3.7
Array ( )
preferences:
167.9 ms | 404 KiB | 220 Q