3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class Parent { abstract public function bla($arg1, $arg2 = null); } class Child extends Parent { public function bla($arg1, $arg2 = null) { } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.4.16
Fatal error: Cannot use 'Parent' as class name as it is reserved in /in/pqUlP on line 4
Process exited with code 255.