3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait PropertyTrait { public $prop = 'default'; } class A { use PropertyTrait; } class B extends A { public $prop = 'overridden'; public function write() { echo $this->prop; } } $b = new B(); $b->write(); echo "\nB uses these traits: ", implode(',', class_uses(B::class)), "\n";

preferences:
28.16 ms | 405 KiB | 5 Q