3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $s = 'fooAbarB'; $valid = (bool) preg_match('#(?:[A-Z].*){2}#'); var_dump($valid);
Output for 4.3.3 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
Warning: preg_match() expects at least 2 parameters, 1 given in /in/7TAin on line 3 bool(false)
Output for hhvm-3.12.0
Warning: preg_match() expects at least 2 parameters, 1 given in /in/7TAin on line -1 bool(false)
Output for 4.3.0 - 4.3.2
Warning: Wrong parameter count for preg_match() in /in/7TAin on line 3 bool(false)