php fsockopen实现异步请求

2019-11-10 18:49:07

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首先需要php支持fsockopen php.ini文件中查找

allow_url_fopen = Onpublic function requestBySock($data){ $len = strlen($data); $host = 'localhost'; $path = '/test.php'; $fp = fsockopen($host , 80, $errno, $errstr, 3); if ($fp) { $out = "POST $path HTTP/1.1/r/n"; $out .= "Host: $host/r/n"; $out .= "Content-type: application/x-www-form-urlencoded/r/n"; $out .= "Content-Length: $len/r/n"; $out .= "Connection: close/r/n"; //$out .= "Expect:/r/n"; $out .= "/r/n"; $out .= $data."/r/n"; fwrite($fp, $out); //实现异步把下面注释掉，意思是不处理返回 // $receive = ''; // while (!feof($fp)) { // $receive .= fgets($fp, 128); // } // echo "<br />".$receive; //连接主动断开时，线上PRoxy层没有及时把请求发给上游 usleep(10000); fclose($fp); }}

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