private function loadTemplate()
    {
        return [
            0 => $this->template[0] != '' ? file_get_contents($this->template[0]) : '',
            1 => $this->template[1] != '' ? file_get_contents($this->template[1]) : '',
            2 => $this->template[2] != '' ? file_get_contents($this->template[2]) : '',
        ];
    }