Online PHP editor | output for rfiJe

<?php class MyNode { public $name; public $children = array(); public $parent; public function __construct(string $name, $parent) { echo "in constructor\n"; $this->name = $name; echo "name: " . $this->name . ".\n"; $this->parent = $parent; echo "parent: " . $this->parent . ".\n"; } public function __toString() { return $this->name; } } $RootNode = new MyNode("Root", null); echo "done root x\n"; $ChildNode = new MyNode("Child1", $RootNode); echo "done child\n";