3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (preg_match('/^(?P<base>[^[]+)(?P<extra>(\[.*)|$)/', 'foo[bar', $m)) { $segments = array($m['base']); while (preg_match('/^\[(?P<segment>.*?)\](?P<extra>.*)$/', $m['extra'], $m)) { echo $m['segment']."\n"; } }
Output for 4.3.3 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 4.3.2
Notice: Undefined index: base in /in/INtB1 on line 3 Notice: Undefined index: extra in /in/INtB1 on line 4