3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match("/(\w+)\/", "zh",$matches); print_r($matches);
based on hQVIh
Output for 5.2.0 - 7.0.14, 7.1.0 - 7.2.0
Warning: preg_match(): No ending delimiter '/' found in /in/WIFtF on line 2
Output for 7.0.20

Process exited with code 137.
Output for 4.3.11 - 5.1.6
Warning: preg_match(): No ending delimiter '/' found in /in/WIFtF on line 2 Array ( )
Output for 4.3.0 - 4.3.10
Warning: No ending delimiter '/' found in /in/WIFtF on line 2 Array ( )