3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A {}; class B{}; $a = new A(); $b = new B(); $clo = function () { return 0; }; $c = $a <=> $clo; echo "$c\n";
based on 7EtMF
Output for 7.0.0 - 7.2.0
1
Output for 5.4.0 - 5.6.28
Parse error: syntax error, unexpected '>' in /in/IJrhJ on line 9
Process exited with code 255.