3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php define('false', true); if (false === faⅼse) echo "true!";
Output for 7.2.0 - 7.2.8
Notice: Constant false already defined in /in/lJRLH on line 2 Warning: Use of undefined constant faⅼse - assumed 'faⅼse' (this will throw an Error in a future version of PHP) in /in/lJRLH on line 4
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.4.9, 5.0.1 - 7.1.20
Notice: Constant false already defined in /in/lJRLH on line 2 Notice: Use of undefined constant faⅼse - assumed 'faⅼse' in /in/lJRLH on line 4
Output for 4.3.7 - 4.3.8, 5.0.0
Notice: Constant already defined in /in/lJRLH on line 2 Notice: Use of undefined constant faⅼse - assumed 'faⅼse' in /in/lJRLH on line 4