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本文实例讲述了php使用socket发送http请求的方法。分享给大家供大家参考，具体如下：
socket方式：
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$socket = socket_create(af_inet, sock_stream, sol_tcp);
//socket_set_option($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方式：
$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);
}
原始socket方式：
$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 方式（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 方式 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);
注意：http1.1 中必须包含 host 头， 而 http1.0中则可以没有
更多关于php相关内容感兴趣的读者可查看本站专题：《php socket用法总结》、《php基本语法入门教程》、《php错误与异常处理方法总结》及《php常用函数与技巧总结》
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