3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $matches=array(); preg_match('/^\([0-9]{3}\)-?[0-9]{4}/',"7654389",$matches); var_dump($matches);
based on RiO8m
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(0) { }
Output for hhvm-3.10.0

Process exited with code 153.