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三種方法教你如何用PHP模拟post送出資料

php模拟post傳值在日常的工作中用到的不是很多,但是在某些特定的場合還是經常用到的。

下面,我整理了三種php模拟post傳值的方法,file_get_contents、curl和socket。

第一種:file_get_contents來模拟post

<?php

function file_get_contents_post($url, $post){

$options = array(

'http'=> array(

'method'=>'POST',

'content'=> http_build_query($post),

),

);

$result = file_get_contents($url,false, stream_context_create($options));

return $result;

}

$data = file_get_contents_post("http://www.a.com/post/post.php", array('name'=>'caiknife','email'=>'caiknife#gmail.com'));

var_dump($data);

第二種:curl模拟post

function curl_post($url, $post){

CURLOPT_RETURNTRANSFER =>true,

CURLOPT_HEADER =>false,

CURLOPT_POST =>true,

CURLOPT_POSTFIELDS => $post,

$ch = curl_init($url);

curl_setopt_array($ch, $options);

$result = curl_exec($ch);

curl_close($ch);

$data = curl_post("http://www.a.com/post/post.php", array('name'=>'caiknife','email'=>'caiknife#gmail.com'));

第三種:socket來模拟post

function socket_post($url, $post){

$urls = parse_url($url);

if(!isset($urls['port'])){

$urls['port']=80;

$fp = fsockopen($urls['host'], $urls['port'], $errno, $errstr);

if(!$fp){

echo "$errno, $errstr";

exit();

$post = http_build_query($post);

$length = strlen($post);

$header =<<<HEADER

<span class="Apple-tab-span" style="white-space:pre"></span>POST {$urls['path']} HTTP/1.1

<span class="Apple-tab-span" style="white-space:pre"></span>Host:{$urls['host']}

<span class="Apple-tab-span" style="white-space:pre"></span>Content-Type: application/x-www-form-urlencoded

<span class="Apple-tab-span" style="white-space:pre"></span>Content-Length:{$length}

<span class="Apple-tab-span" style="white-space:pre"></span>Connection: close

<span class="Apple-tab-span" style="white-space:pre"></span>{$post}

<span class="Apple-tab-span" style="white-space:pre"></span>HEADER;

fwrite($fp, $header);

$result ='';

while(!feof($fp)){

$result .= fread($fp,512);

$result = explode("\r\n\r\n", $result,2);

return $result[1];

$data = socket_post("http://www.a.com/post/post.php", array('name'=>'caiknife','email'=>'caiknife#gmail.com'));

上面這三種方法最後看到的内容都是一樣的,都可以得到post的傳值;但是在是用socket的時候,發送header資訊時必須要注意header的完整資訊,比如content type和content length必須要有,connection: close和post資料之間要空一行,等等;而通過socket取得的内容是包含了header資訊的,要處理一下才能獲得真正的内容。

http://www.shuchengxian.com/html/PHP/201512/23.html