Online PHP editor | refs for LRvkb

<?php class Node { private $nodes = []; public function __construct(array $nodes = []) { $this->nodes = $nodes; } public function getCount() { return count($this->nodes); } public function getCountRecursive() { $count = 0; foreach ($this->nodes as $node) { $count += ($node->getCountRecursive() + 1); } return $count; } } $node = new Node([ new Node([ new Node([ new Node([ new Node(), new Node(), new Node(), ]), new Node(), new Node(), ]), new Node(), new Node(), ]), new Node(), ]); var_dump($node->getCount(), $node->getCountRecursive());