3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = "$MyProfile_pages:synergiq_trk_user$"; preg_match("/^\$((([\w\.-]+):)?((\w+):))?(\w+)$/", "",$data); print_r($matches); echo "\n";
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: MyProfile_pages in /in/PJG4j on line 2 Notice: Undefined variable: matches in /in/PJG4j on line 4
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: MyProfile_pages in /in/PJG4j on line 2 Notice: Undefined variable: matches in /in/PJG4j on line 4