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run code in 150+ php & hhvm versions
Bugs & Features
<?php if (preg_match('/^(?P<base>[^[]+)(?P<extra>(\[.*)|$)/', 'foo[bar', $m)) { $segments = array($m['base']); echo 'found'."\n"; while (preg_match('/^\[(?P<segment>.*?)\](?P<extra>.*)$/', $m['extra'], $m)) { echo $m['segment']."\n"; } }
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
found
Output for 4.3.0 - 4.3.2
Notice: Undefined index: base in /in/LtYmP on line 3 found Notice: Undefined index: extra in /in/LtYmP on line 5