Online PHP editor | output for Tnb34

<?php abstract class BaseLevel { public string $name { set => strtolower($value); } abstract public function getName(): string; } class FirstLevel extends BaseLevel { public function getName(): string { return ucfirst($this->name); } } class SecondLevel extends FirstLevel { public function getName(): string { return strtoupper($this->name); } } $firstLevel = new FirstLevel(); $firstLevel->name = 'John'; echo $firstLevel->name; echo $firstLevel->getName(); $secondLevel = new SecondLevel(); # $secondLevel->name = 'Jane'; echo $secondLevel->name; echo $secondLevel->getName();