3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php <?php define('MYCONSTANT', 0); if (empty(MYCONSTANT)) { echo "Hello"; } else { echo "Goodbye"; } ?>
based on RpXb6
Output for 7.0.0
Parse error: syntax error, unexpected '<', expecting end of file in /in/79Qml on line 2
Process exited with code 255.
Output for 5.3.20 - 5.6.16
Parse error: syntax error, unexpected '<' in /in/79Qml on line 2
Process exited with code 255.