3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo var_dump(array(NAN == NAN, NAN > NAN, NAN < NAN, NAN <= NAN, NAN >= NAN));
Output for 4.3.6 - 5.3.29, 7.0.0 - 7.1.0
array(5) { [0]=> bool(false) [1]=> bool(true) [2]=> bool(true) [3]=> bool(true) [4]=> bool(true) }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2
array(5) { [0]=> bool(false) [1]=> bool(false) [2]=> bool(false) [3]=> bool(false) [4]=> bool(false) }
Output for 4.3.0 - 4.3.5
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 Notice: Use of undefined constant NAN - assumed 'NAN' in /in/VnqfR on line 2 array(5) { [0]=> bool(true) [1]=> bool(false) [2]=> bool(false) [3]=> bool(true) [4]=> bool(true) }