3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); interface Identity { /** * Named c * * @param string $identifier * @return self */ public static function createIdentity(): Identity; } class A implements Identity { public static function createIdentity(): Identity { return new self; } } $a = A::createIdentity(); var_dump($a);
based on UWtXC
Output for 7.0.0 - 7.2.0
object(A)#1 (0) { }
Output for 5.3.22 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/P5RYi on line 3 Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/P5RYi on line 13
Process exited with code 255.