3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class MyClass { public function copy(): MyClass { return new self(); } } $o = new MyClass; $b = $o->copy();
based on qmDEU
Output for hhvm-3.15.4, 7.0.0 - 7.3.0alpha1
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/uWRel on line 5
Process exited with code 255.