3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if ( !defined("System") && !defined ("out")) { System.out.print('Hi'); }
Output for 7.2.0
Warning: Use of undefined constant System - assumed 'System' (this will throw an Error in a future version of PHP) in /in/pWVU9 on line 3 Warning: Use of undefined constant out - assumed 'out' (this will throw an Error in a future version of PHP) in /in/pWVU9 on line 3 Hi
Output for 4.3.0 - 7.1.10
Notice: Use of undefined constant System - assumed 'System' in /in/pWVU9 on line 3 Notice: Use of undefined constant out - assumed 'out' in /in/pWVU9 on line 3 Hi