3v4l.org

run code in 300+ PHP versions simultaneously
<?php function get_numerics ($str) { preg_match_all('/\d{4}/', $str, $matches); return $matches[0]; } $one = 'Rotterdam 3012 BG'; $two = '3012BG'; $three = '30123 BG'; $four = 'Rotterdam'; print_r(get_numerics($one)); print_r(get_numerics($two)); print_r(get_numerics($three)); print_r(get_numerics($four));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 3012 ) Array ( [0] => 3012 ) Array ( [0] => 3012 ) Array ( )

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:
54.5 ms | 401 KiB | 8 Q