3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo md5(‘user_id=42' . ‘app_id=0' . 'Ui8dtr_CqfRTTW’);
based on Ik8jm
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '=', expecting ',' or ')' in /in/Enm53 on line 3
Process exited with code 255.
Output for 5.3.20 - 5.6.16
Parse error: syntax error, unexpected '=' in /in/Enm53 on line 3
Process exited with code 255.