提交链接到百度

/** *  * @param $urls 链接地址，数组 array('url1','url2') * @param $siteid 站点id * @param $action 操作方法，推送数据：urls，更新数据：update，删除数据：del */function baidu_linkpost($urls,$siteid = 1,$action = 'urls') {   static $baidu_api;   if(empty($baidu_api)) {      $baidu_api['sitelist'] = get_cache('sitelist');      foreach ($baidu_api['sitelist'] as $sid=>$r) {         $baidu_api['urls'][$sid] = 'http://data.zz.baidu.com/urls?site='.$r['baidu_site'].'&token='.$r['baidu_token'];         $baidu_api['update'][$sid] = 'http://data.zz.baidu.com/update?site='.$r['baidu_site'].'&token='.$r['baidu_token'];         $baidu_api['del'][$sid] = 'http://data.zz.baidu.com/del?site='.$r['baidu_site'].'&token='.$r['baidu_token'];      }   }   if($baidu_api['sitelist'][$siteid]['baidu_site']=='') {      return true;   }   $baidu_urls = array();   foreach($urls as $url) {      if(strpos($url,'://')===false) {         $url = $baidu_api['sitelist'][$siteid]['url'].ltrim($url,'/');      }      $baidu_urls[] = $url;   }   $baidu_urls = implode(“\n”, $baidu_urls);   $ch = curl_init();   $options =  array(      CURLOPT_URL => $baidu_api[$action][$siteid],      CURLOPT_POST => true,      CURLOPT_RETURNTRANSFER => true,      CURLOPT_POSTFIELDS => $baidu_urls,      CURLOPT_HTTPHEADER => array('Content-Type: text/plain'),   );   curl_setopt_array($ch, $options);   curl_exec($ch);   curl_close($ch);}