3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '($a * 10 + $b) Euro and (10 + 2) cents'; $regex = '#\((([^()]+|(?R))*)\)#'; if (preg_match_all($regex, $string ,$matches)) { echo var_export($matches[1], true); } else { //no parenthesis echo $string; }
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => '$a * 10 + $b', 1 => '10 + 2', )

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:
39.94 ms | 401 KiB | 8 Q