3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface A { public function a() : A; } class B implements A { public function a() : A { return $this; } } $b = new B();
based on vIp9T
Output for 7.0.0 - 7.2.0
Output for 5.3.21 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/0u7Wp on line 4
Process exited with code 255.