3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = preg_replace('~\[(img|url)\](.*)\[/\1\]~i', 'REPLACED', '[img]test[/img][not]img[/not][url]http][/url]'); echo $result;
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
REPLACED[not]img[/not]REPLACED
preferences:
77.76 ms | 1491 KiB | 4 Q