3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/I am (foo/', 'anything'));
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Compilation failed: missing ) at offset 9 in /in/NYD2H on line 3 bool(false)
Output for 4.3.0 - 4.3.10, hhvm-3.10.0 - 3.12.0
Warning: Compilation failed: missing ) at offset 9 in /in/NYD2H on line 3 bool(false)