3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = '/^javascript:|css:/' . "\r\n"; $b = '| You have {{ messages }} messages!]'; print_r(preg_match($a, $b));
based on qB4C4
Output for 4.3.11 - 7.2.0
Warning: preg_match(): Unknown modifier ' ' in /in/qtF6N on line 6
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier ' ' in /in/qtF6N on line 6