    public function _checkbox(array $tag = [])
    {
        $name = $tag['name'];
        $checkboxes = $tag['checkboxes'];
        $checked = $tag['checked'];
        $separator = $tag['separator'];
        $checkboxes = $this->tpl->get($checkboxes);
        $checked = $this->tpl->get($checked) ? $this->tpl->get($checked) : $checked;
        $parseStr = '';
        foreach ($checkboxes as $key => $val) {
            if ($checked == $key || in_array($key, $checked)) {
                $parseStr .= '<input type="checkbox" checked="checked" name="'.$name.'[]" value="'.$key.'">'.$val.$separator;
            } else {
                $parseStr .= '<input type="checkbox" name="'.$name.'[]" value="'.$key.'">'.$val.$separator;
            }
        }

        return $parseStr;
    }