3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match("/\<a href=/\"(.*)\">/",'foo',$title);
Output for 4.3.11 - 5.6.30, 7.0.0 - 7.2.0
Warning: preg_match(): Unknown modifier '"' in /in/Y5kiL on line 3
Output for hhvm-3.10.1 - 3.17.3
Warning: Unknown modifier '"': [/\<a href=/"(.*)">/] in /in/Y5kiL on line 3
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '"' in /in/Y5kiL on line 3