3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define('NETTE_ALIASES', FALSE); defined('NETTE_ALIASES') && constant(NETTE_ALIASES) || printf('A');
Output for 4.3.2 - 7.1.0
Warning: constant(): Couldn't find constant in /in/4QRAu on line 5 A
Output for 4.3.0 - 4.3.1
Warning: constant() [http://www.php.net/function.constant]: Couldn't find constant in /in/4QRAu on line 5 A