3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class bar { } class foo extends bar {} $f = new foo; function test(bar $b) : bar { return $b; } test($f);
based on qhhrU
Output for hhvm-3.15.4, 7.0.0 - 7.3.0beta1
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected ':', expecting '{' in /in/kC63k on line 9
Process exited with code 255.