3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace { class Bar extends PDO { public function baz() { parent::baz(); } } class PDO { public function baz() { echo __METHOD__; } } } namespace Foo { class FooBar extends Bar { } } namespace { $bar = new Foo\Bar(); $bar->baz(); }
based on KRlO4
Output for 7.0.0 - 7.2.0
Fatal error: Cannot declare class PDO, because the name is already in use in /in/rFBF9 on line 13
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Fatal error: Cannot redeclare class PDO in /in/rFBF9 on line 14
Process exited with code 255.