skeeks\cms\models\Tree::generateCode PHP Method

    public function generateCode()
    {
        if ($this->isRoot()) {
            $this->setAttribute("code", null);
        } else {
            $filter = new FilterSeoPageName();
            $filter->maxLength = \Yii::$app->cms->tree_max_code_length;
            $this->code = $filter->filter($this->name);
            $matches = [];
            //Роутинг элементов нужно исключить
            if (preg_match('/(?<id>\\d+)\\-(?<code>\\S+)$/i', $this->code, $matches)) {
                $this->code = "s" . $this->code;
            }
            if (!$this->isValidCode()) {
                $this->code = $filter->filter($this->code . "-" . substr(md5(uniqid() . time()), 0, 4));
                if (!$this->isValidCode()) {
                    $this->generateCode();
                }
            }
        }
        return $this;
    }