3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo HOLA;
Output for 7.2.0
Warning: Use of undefined constant HOLA - assumed 'HOLA' (this will throw an Error in a future version of PHP) in /in/dQGE1 on line 2 HOLA
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant HOLA - assumed 'HOLA' in /in/dQGE1 on line 2 HOLA