3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(NaN);
based on 7FLuN
Output for 7.2.0
Warning: Use of undefined constant NaN - assumed 'NaN' (this will throw an Error in a future version of PHP) in /in/83QqO on line 3 string(3) "NaN"
Output for 5.5.0 - 5.6.30, hhvm-3.10.1 - 3.21.3, 7.0.0 - 7.1.11
Notice: Use of undefined constant NaN - assumed 'NaN' in /in/83QqO on line 3 string(3) "NaN"
Output for hhvm-3.22.0
Notice: Use of undefined constant NaN - assumed 'NaN' in /in/83QqO on line -1 string(3) "NaN"