3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php define('TRUE', 42); var_dump(TRUE); define('FALSE', 43); var_dump(FALSE); define('false', 45); var_dump(false);
based on iJl56
Output for 5.1.3 - 7.2.0
bool(true) bool(false) Notice: Constant false already defined in /in/oYsbF on line 8 bool(false)
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.4.9, 5.0.1 - 5.1.2
int(42) int(43) Notice: Constant false already defined in /in/oYsbF on line 8 bool(false)
Output for 4.3.7 - 4.3.8, 5.0.0
int(42) int(43) Notice: Constant already defined in /in/oYsbF on line 8 bool(false)