3v4l.org

run code in 300+ PHP versions simultaneously
<?php function get_numerics ($str) { preg_match('/^mom_(\d+)$/', $str, $matches); return $matches[1]; } $one = 'mom_5'; $two = 'mom_123'; $three = 'actions'; print_r(get_numerics($one)); print_r(get_numerics($two)); print_r(get_numerics($three));
Output for git.master, git.master_jit, rfc.property-hooks
5123 Warning: Undefined array key 1 in /in/SagJX on line 5

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
64.24 ms | 401 KiB | 8 Q