3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match('/http/dsa/', 'http/', $m); var_dump($m);
Output for 5.2.0 - 7.1.0
Warning: preg_match(): Unknown modifier 'd' in /in/Zbvq9 on line 2 NULL
Output for 4.3.11 - 5.1.6
Warning: preg_match(): Unknown modifier 'd' in /in/Zbvq9 on line 2 array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'd' in /in/Zbvq9 on line 2 array(0) { }