3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match_all("(^[ ,])+", "add dd,ddd", $m)); var_dump($m);
Output for 5.2.0 - 7.2.0
Warning: preg_match_all(): Unknown modifier '+' in /in/m3oYD on line 2 bool(false) NULL
Output for 4.3.11 - 5.1.6
Warning: preg_match_all(): Unknown modifier '+' in /in/m3oYD on line 2 bool(false) array(0) { }
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '+' in /in/m3oYD on line 2 bool(false) array(0) { }