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PHP uses socket to send HTTP request, phpsocket sends request_PHP tutorial

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2016-07-12 08:59:141145browse

PHP uses socket to send HTTP requests, phpsocket sends requests

This article describes the example of PHP using socket to send HTTP requests. Share it with everyone for your reference, the details are as follows:

socket mode:

$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
//socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO, array("sec"=>20, "usec"=>0));
socket_connect($socket, 'www.baidu.com', 80);
//里面的换行代表 \r\n 注意拷贝的代码后面可能有空格
$http = <<<eof
GET / HTTP/1.0
Accept: */*
User-Agent: Lowell-Agent
Host: www.baidu.com
Connection: Close
eof;
socket_write($socket, $http, strlen($http));
while($str = socket_read($socket, 1024))
{
  echo $str;
}
socket_close($socket);

fsockopen method :

$fp = fsockopen("www.baidu.com", 80, $errno, $errstr, 30);
if (!$fp) {
  echo "$errstr ($errno)<br />\n";
} else {
  $out = "GET / HTTP/1.1\r\n";
  $out .= "Host: www.baidu.com\r\n";
  $out .= "Connection: Close\r\n\r\n";
  fwrite($fp, $http);
  while (!feof($fp)) {
    echo fgets($fp, 128);
  }
  fclose($fp);
}

Original socket mode:

$fp = stream_socket_client("tcp://www.baidu.com:80", $errno, $errstr, 30);
if (!$fp) {
  echo "$errstr ($errno)<br />\n";
} else {
  $http = <<<eof
GET / HTTP/1.0
Accept: */*
User-Agent: Lowell-Agent
Host: www.baidu.com
Connection: Close
eof;
  fwrite($fp, $http);
  while (!feof($fp)) {
    echo fgets($fp, 1024);
  }
  fclose($fp);
}

stream method (get):

$http = <<<eof
Host: www.baidu.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
Cookie: BAIDUID=79D98B1AD8436C57B967E111E484F1CD:FG=1; BDUSS=lF-UFFOanFPVG92NmF4U3NiTEoxOFh4YVBCTnZaMUtoTUNhZmxrWThwN25IaUJVQVFBQUFBJCQAAAAAAAAAAAEAAADzo1gKc2lxaW5pYW8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOeR-FPnkfhTU; BAIDUPSID=79D98B1AD8436C57B967E111E484F1CD; BD_UPN=13314352; BD_HOME=1; H_PS_PSSID=10047_1435_10874_10212_10501_10496_10753_10796_10219_10355_10666_10597_10095_10658_10442_10700_10460_10360_10618; sug=3; sugstore=0; ORIGIN=2; bdime=0
Connection: keep-alive
Cache-Control: max-age=0
eof;
$hdrs = array(
    'http' =>array(
        'header' => $http,
        'timeout'=>1, //超时 秒
        'method' => 'GET', //默认方式
         'protocol_version' => '1.1', //默认为 1.0
    ),
);
//参数格式参考 http://php.net/manual/zh/context.http.php
//curl方式的格式可以参考; http://php.net/manual/zh/context.curl.php
$context = stream_context_create($hdrs);
echo file_get_contents('http://www.baidu.com', 0, $context);

stream method post:

$postdata = http_build_query(array('act'=>'save', 'id'=>387171));
$http = <<<eof
Host: www.baidu.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
Content-Type: application/x-www-form-urlencoded; charset=UTF-8 
Cookie: BAIDUID=79D98B1AD8436C57B967E111E484F1CD:FG=1; BDUSS=lF-UFFOanFPVG92NmF4U3NiTEoxOFh4YVBCTnZaMUtoTUNhZmxrWThwN25IaUJVQVFBQUFBJCQAAAAAAAAAAAEAAADzo1gKc2lxaW5pYW8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOeR-FPnkfhTU; BAIDUPSID=79D98B1AD8436C57B967E111E484F1CD; BD_UPN=13314352; BD_HOME=1; H_PS_PSSID=10047_1435_10874_10212_10501_10496_10753_10796_10219_10355_10666_10597_10095_10658_10442_10700_10460_10360_10618; sug=3; sugstore=0; ORIGIN=2; bdime=0
Connection: keep-alive
Cache-Control: max-age=0
eof;
#注意post方式需要增加Content-Type
$hdrs = array(
    'http' =>array(
        'header' => $http,
        'timeout'=>1, //超时 秒
        'method' => 'POST',
        'content' => $postdata,
         'protocol_version' => '1.1', //默认为 1.0
    ),
);
//参数格式参考 http://php.net/manual/zh/context.http.php
//curl方式的格式可以参考; http://php.net/manual/zh/context.curl.php
$context = stream_context_create($hdrs);
echo file_get_contents('http://test.cm/song.php', 0, $context);

Note: http1.1 must contain the Host header, but http1.0 does not need it

Readers who are interested in more PHP-related content can check out the special topics of this site: "Summary of PHP socket usage", "Introduction to PHP basic syntax tutorial", "Summary of PHP error and exception handling methods" and "PHP common functions and techniques" Summary》

I hope this article will be helpful to everyone in PHP programming.

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