3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match("/^\\/$/D/", "/", $matches), $matches);
based on LP30X
Output for 5.6.0 - 7.2.6
Warning: preg_match(): Unknown modifier '/' in /in/CRF1L on line 3 bool(false) NULL