3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $words = "systematic,gear,synthesis,mysterious"; $words=explode(",",$words); $your_array = preg_grep("/s/m/", $words); print_r($your_array);
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_grep(): Unknown modifier '/' in /in/SQb42 on line 6
Output for hhvm-3.12.0
Warning: Unknown modifier '/': [/s/m/] in /in/SQb42 on line 6
Output for hhvm-3.10.0
Warning: Unknown modifier '/': [/s/m/] in /in/SQb42 on line 26
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '/' in /in/SQb42 on line 6