3v4l.org

run code in 500+ PHP versions simultaneously
<?php $_GET['filters'] = array('type-of-light[550]|colour[569]', 'type-of-light[ceiling-lights]|colour[pink]', 'type-of-light=ceiling-lights&colour=green'); if(empty($_GET['colour'])){ foreach($_GET['filters'] as $filter) { if(preg_match('/colour\[(.*?)]/', $filter, $color)){ echo $color[1] . PHP_EOL; } } }
Output for 7.1.0 - 7.1.21, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
569 pink
preferences:
127.34 ms | 1422 KiB | 4 Q