3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait Foo { abstract public function doStuff(); public function main() { $this->doStuff(); } } class Bar { use Foo { Foo::doStuff as doOtherStuff; } public function doStuff() { var_dump(__FUNCTION__); } } $b = new Bar(); $b->main();

preferences:
17.85 ms | 402 KiB | 5 Q