3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php abstract class test{ abstract public function hello(): string; }
based on m68cP
Output for 7.0.0 - 7.2.0
Output for 5.3.18 - 5.6.21
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/JBksk on line 4
Process exited with code 255.