Online PHP editor | output for JfJOY

<?php class Base { private int $pv = 0; protected int $pt = 0; public int $pb = 0; public function setBase(int $i) { $this->pv = $i; $this->pt = $i; $this->pb = $i; } public function dump() { echo "private(base):$this->pv; protected(base):$this->pt; public(base):$this->pb\n"; } }; class Derived extends Base { private int $pv = 0; protected int $pt = 0; public int $pb = 0; public function setDerived(int $i) { $this->pv = $i; $this->pt = $i; $this->pb = $i; } public function dump() { parent::dump(); echo "private(derived):$this->pv; protected(derived):$this->pt; public(derived):$this->pb\n"; } }; $o = new Derived; $o->setBase(2); $o->dump(); $o->setDerived(6); $o->dump();