/***发送一个异步http协议的Get请求，不用关心结果*@param$url*@param$errno*@param$errstr*@param$time_out*/staticpublicfunctiongetAsn($url,$errno='',$errstr='',$time_out=5){//移除url中的空格，如果可以格式化url，或许会更好$url=str_replace('','',$url);$arr=parse_url($url);$arr['port']||$arr['port']=80;$fp=fsockopen($arr['host'],$arr['port'],$errno,$errstr,$time_out);if(!$fp){return$errno."".$errstr;}$arr['query']&&$arr['query']='?'.$arr['query'];$out="GET".$arr['path'].$arr['query']."HTTP/1.1\r\n";$out.="Host:".$arr['host']."\r\n";$out.="Connection:Close\r\n\r\n";fwrite($fp,$out);fclose($fp);}/***异步post*@param$url*@param$post_arr*@param$errno*@param$errstr*@param$time_out*/staticfunctionpostAsn($url,$post_arr,$errno='',$errstr='',$time_out=5){$arr=parse_url($url);$arr['port']||$arr['port']=80;$fp=fsockopen($arr['host'],$arr['port'],$errno,$errstr,$time_out);if(!$fp){return$errno."".$errstr;}$post_data="";if($post_arr){//在这里还可以使用http_build_query()函数，将post的内容编码foreach($post_arras$key=>$val){$post_data.=urlencode($key)."=".urlencode($val)."&";}$post_data=substr($post_data,0,-1);}$data_len=strlen($post_data);$arr['query']&&$arr['query']='?'.$arr['query'];$out="POST".$arr['path'].$arr['query']."HTTP/1.1\r\n";$out.="Host:".$arr['host']."\r\n";$out.="Content-type:application/x-www-form-urlencoded\r\n";$out.="Connection:Close\r\n";$out.="Content-Length:$data_len\r\n\r\n";$out.=$post_data."\r\n";fwrite($fp,$out);fclose($fp);}