3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php interface A { public function foo($a); } class B implements A { public function foo($a): array { return []; } }
Output for 7.0.0 - 7.2.0
Output for 5.3.19 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/iaE21 on line 9
Process exited with code 255.