src/Accordion/AccordionView.php
protected function _preparedContent($titleName, $content)
    {
        $titleName = is_int($titleName) ? $content : $titleName;
        $titleName = Helpers::normalize($titleName);
        $titleName = strtolower(str_replace(' ', '-', $titleName));

        $this->contents[$titleName] = $content;

        return $this;
    }
protected function _preparedContent($titleName, $content)
    {
        $titleName = is_int($titleName) ? $content : $titleName;
        $titleName = Helpers::normalize($titleName);
        $titleName = strtolower(str_replace(' ', '-', $titleName));

        $this->contents[$titleName] = $content;

        return $this;
    }
@param string|int $titleName
@param string     $content

@return $this