wordpress网站内容更新自动提交给百度

/* wordpress 百度快速收录 api 提交代码 */
if(!function_exists('baidu_submit')){
function baidu_submit($post_id) {
$web_token = '***********'; //这里请换成你的网站的百度主动推送的token值
$web_domain = get_option('home');
//已成功推送的文章不再推送
if(get_post_meta($post_id,'baidusubmit',true) == 1) return;
$url = get_permalink($post_id);
$api = 'http://data.zz.baidu.com/urls?site='.$web_domain.'&token='.$web_token;
$request = new wp_http;
$result = $request->request( $api , array( 'method' => 'post', 'body' => $url , 'headers' => 'content-type: text/plain') );
$result = json_decode($result['body'],true);
//如果推送成功则在文章新增自定义栏目baidusubmit，值为1
if (array_key_exists('success',$result)) {
add_post_meta($post_id, 'baidusubmit', 1, true);
}
}
add_action('publish_post', 'baidu_submit', 0);
}