3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump('foo' < NAN); var_dump('foo' > NAN);
Output for 4.3.6 - 5.6.28, 7.0.0 - 7.1.0
bool(true) bool(true)
Output for hhvm-3.10.0 - 3.12.0
bool(false) bool(false)
Output for 4.3.0 - 4.3.5
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/ZKWu4 on line 3 bool(false) Notice: Use of undefined constant NAN - assumed 'NAN' in /in/ZKWu4 on line 4 bool(true)