3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('|\\(.+)$|', 'Trig\\1', 'asd\qwer\thgsd\Boom');
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Compilation failed: unmatched parentheses at offset 4 in /in/tpQDH on line 4
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.13.2
Warning: Compilation failed: unmatched parentheses at offset 4 in /in/tpQDH on line 4