3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/^(\d*)(\d{2})(\d{2})$/', '$1/$2/$2', 124122354523);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
12412235/45/45
Output for hhvm-3.10.0

Process exited with code 153.