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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump('foo' < NAN); var_dump('foo' > NAN);
Output for 7.1.10 - 7.2.0
bool(false) bool(false)
Output for 4.3.6 - 7.1.7
bool(true) bool(true)
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)