3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = -1; $b = NAN; $c = $a <=> $b; echo "$c\n";
based on BVuoc
Output for 7.1.10 - 7.2.0
1
Output for 7.0.0 - 7.1.7
-1
Output for 5.4.0 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/5np00 on line 5
Process exited with code 255.