php微信群发图文消息内容中图片不显示

Question

$art['articles'] = array(); $art['articles'][0]['thumb_media_id'] = I('mediaids'); $art['articles'][0]['author'] = '聚焦'; $art['articles'][0]['title'] = $imgs['title']; $art['articles'][0]['content_source_url'] = str_replace(array('{website}','{imgid}'), array(C('website'),$imgs['id']), $imgs['url']); $art['articles'][0]['content'] = preg_replace("/<([a-zA-Z]+)[^>]*>/","<\\1>",$imgs['content']); $art['articles'][0]['digest'] = $imgs['description']; $art['articles'][0]['show_cover_pic'] = $imgs['showpic']; $med_info = $this->weixin->uploadArticles($art);