Acl\Shell\AclShell::nodeExists PHP Метод

    public function nodeExists()
    {
        if (!isset($this->args[0]) || !isset($this->args[1])) {
            return false;
        }
        $dataVars = $this->_dataVars($this->args[0]);
        extract($dataVars);
        $key = is_numeric($this->args[1]) ? $dataVars['secondary_id'] : 'alias';
        $conditions = [$class . '.' . $key => $this->args[1]];
        $possibility = $this->Acl->{$class}->find('all', compact('conditions'));
        if (empty($possibility)) {
            $this->error(__d('cake_acl', '{0} not found', [$this->args[1]]), __d('cake_acl', 'No tree returned.'));
        }
        return $possibility;
    }