3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(define("TRUE", false)); var_dump(TRUE);
Output for 5.1.3 - 5.6.28, 7.0.0 - 7.1.0
bool(true) bool(true)
Output for hhvm-3.10.0 - 3.12.0
Notice: Constant TRUE already defined in /in/SLjTl on line 2 bool(false) bool(true)
Output for 4.3.0 - 5.1.2
bool(true) bool(false)