3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function containsIllegalChars($string) { return preg_match(/\W+/, $string); }
Output for 5.3.0 - 5.4.10
Parse error: syntax error, unexpected '/', expecting ')' in /in/CdOvJ on line 4
Process exited with code 255.