Node::updateAllNodesPaths PHP Method

    public function updateAllNodesPaths()
    {
        $types = $this->Taxonomy->Vocabulary->Type->find('list', array('fields' => array('Type.id', 'Type.alias')));
        $typesAlias = array_values($types);
        $idField = $this->escapeField();
        $batch = 30;
        $options = array('order' => $idField, 'conditions' => array($this->alias . '.type' => $typesAlias), 'fields' => array($this->alias . '.id', $this->alias . '.slug', $this->alias . '.type', $this->alias . '.path'), 'recursive' => '-1', 'limit' => $batch);
        $results = array();
        while ($nodes = $this->find('all', $options)) {
            foreach ($nodes as &$node) {
                $node[$this->alias]['path'] = $this->_getNodeRelativePath($node);
            }
            $result = $this->saveMany($nodes, array('fieldList' => array('path')));
            if ($result === false) {
                $this->log('updateAllNodesPath batch failed:');
                $this->log($this->validationErrors);
                return false;
            }
            $results[] = $result;
            $options['conditions'][$idField . ' >'] = $node[$this->alias]['id'];
            if (count($nodes) < $batch) {
                break;
            }
        }
        return $this->saveMany($nodes, array('fieldList' => array('path')));
    }