3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = 'setup_foo'; if (preg_match('~^(setup|teardown)_?(file|run)?_?(.*)~i', $name, $matches)) { var_dump($matches); }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(4) { [0]=> string(9) "setup_foo" [1]=> string(5) "setup" [2]=> string(0) "" [3]=> string(3) "foo" }

preferences:
163.45 ms | 402 KiB | 152 Q