1. Go to this page and download the library: Download scolib/tree library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
public function setAllNodes(Collection $nodes)
public function getSubLevel($parentId)
public function getDescendants($parentId, $depth = 0, $adds = '')
public function getLayerOfDescendants($id)
public function getSelf($id)
public function getParent($id)
public function getAncestors($id, $depth = 0)
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Before you can download the PHP files, the dependencies should be resolved. This can take some minutes. Please be patient.