testing deep clones

clone.php

<?php
class SubSubChild {
    public function __construct(private string $value)
    {
    }
}
class OtherObject{
    public function __construct(private SubSubChild $subSubChild)
    {
    }
}
class SomeObject
{

    private string $property;


    public function __construct(private OtherObject $child)
    {
    }

    public function getProperty(): string
    {
        return $this->property;
    }


    public function setProperty(string $property): SomeObject
    {
       $clone = clone $this;
       $clone->property = $property;
       return $clone;
    }

}


$object = new SomeObject(new OtherObject(new SubSubChild('test')));

$object2 = $object->setProperty('test');
$object3 = $object2->setProperty('test2');

var_dump($object2);
var_dump($object3);