3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define('DB_USER','root'); echo "DB_USER=$GLOBALS[DB_USER]";
based on iAVfo
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined index: DB_USER in /in/aioWB on line 3 DB_USER=
Output for hhvm-3.12.0
DB_USER=
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Notice: Undefined index: DB_USER in /in/aioWB on line 3 DB_USER=