3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = 'Foobr3'; if (!preg_match('/^[a-z0-9].*[a-z0-9]$/i', $string)) { print 'FAIL'; } print 'OK';
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.11.1, hhvm-3.13.2 - 3.17.3, 7.0.0 - 7.2.0
OK
Output for hhvm-3.12.14

Process exited with code 137.