Briefly describe how PHP uses fsockopen GET/POST to submit forms and upload files.-PHP Tutorial-php.cn

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Briefly describe how PHP uses fsockopen GET/POST to submit forms and upload files.

Aug 13, 2017 pm 01:39 PM

fsockopen php post

This article mainly introduces in detail how php uses fsockopen GET/POST to submit forms and upload files. It has certain reference value. Interested friends can refer to it

php uses fsockopen GET/ POST to submit the form and upload the file, the specific content is as follows

1.GET

get.php

&lt;?php 
$host = &#39;demo.fdipzone.com&#39;; 
$port = 80; 
$errno = &#39;&#39;; 
$errstr = &#39;&#39;; 
$timeout = 30; 
$url = &#39;/socket/getapi.php&#39;; 
 
$param = array( 
  &#39;name&#39; =&gt; &#39;fdipzone&#39;, 
  &#39;gender&#39; =&gt; &#39;man&#39; 
); 
 
$url = $url.&#39;?&#39;.http_build_query($param); 
 
// create connect 
$fp = fsockopen($host, $port, $errno, $errstr, $timeout); 
 
if(!$fp){ 
  return false; 
} 
 
// send request 
$out = &quot;GET ${url} HTTP/1.1\r\n&quot;; 
$out .= &quot;Host: ${host}\r\n&quot;; 
$out .= &quot;Connection:close\r\n\r\n&quot;; 
 
fputs($fp, $out); 
 
// get response 
$response = &#39;&#39;; 
while($row=fread($fp, 4096)){ 
  $response .= $row; 
} 
 
fclose($fp); 
 
$pos = strpos($response, &quot;\r\n\r\n&quot;); 
$response = substr($response, $pos+4); 
 
echo $response; 
?&gt;

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getapi.php

&lt;?php 
$name = $_GET[&#39;name&#39;]; 
$gender = $_GET[&#39;gender&#39;]; 
 
echo &#39;name=&#39;.$name.&#39;&lt;br&gt;&#39;; 
echo &#39;gender=&#39;.$gender; 
?&gt;

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2.POST

post.php

&lt;?php 
$host = &#39;demo.fdipzone.com&#39;; 
$port = 80; 
$errno = &#39;&#39;; 
$errstr = &#39;&#39;; 
$timeout = 30; 
$url = &#39;/socket/postapi.php&#39;; 
 
$param = array( 
  &#39;name&#39; =&gt; &#39;fdipzone&#39;, 
  &#39;gender&#39; =&gt; &#39;man&#39;, 
  &#39;photo&#39; =&gt; file_get_contents(&#39;photo.jpg&#39;) 
); 
 
$data = http_build_query($param); 
 
// create connect 
$fp = fsockopen($host, $port, $errno, $errstr, $timeout); 
 
if(!$fp){ 
  return false; 
} 
 
// send request 
$out = &quot;POST ${url} HTTP/1.1\r\n&quot;; 
$out .= &quot;Host:${host}\r\n&quot;; 
$out .= &quot;Content-type:application/x-www-form-urlencoded\r\n&quot;; 
$out .= &quot;Content-length:&quot;.strlen($data).&quot;\r\n&quot;; 
$out .= &quot;Connection:close\r\n\r\n&quot;; 
$out .= &quot;${data}&quot;; 
 
fputs($fp, $out); 
 
// get response 
$response = &#39;&#39;; 
while($row=fread($fp, 4096)){ 
  $response .= $row; 
} 
 
fclose($fp); 
 
$pos = strpos($response, &quot;\r\n\r\n&quot;); 
$response = substr($response, $pos+4); 
 
echo $response; 
?&gt;

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postapi.php

&lt;?php 
define(&#39;UPLOAD_PATH&#39;, dirname(__FILE__).&#39;/upload&#39;); 
 
$name = $_POST[&#39;name&#39;]; 
$gender = $_POST[&#39;gender&#39;]; 
$photo = $_POST[&#39;photo&#39;]; 
 
$filename = time().&#39;.jpg&#39;; 
file_put_contents(UPLOAD_PATH.&#39;/&#39;.$filename, $photo, true); 
 
echo &#39;name=&#39;.$name.&#39;&lt;br&gt;&#39;; 
echo &#39;gender=&#39;.$gender.&#39;&lt;br&gt;&#39;; 
echo &#39;&lt;img src=&quot;upload/&#39;.$filename.&#39;&quot;&gt;&#39;; 
?&gt;

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3. Upload file

file.php

&lt;?php 
$host = &#39;demo.fdipzone.com&#39;; 
$port = 80; 
$errno = &#39;&#39;; 
$errstr = &#39;&#39;; 
$timeout = 30; 
$url = &#39;/socket/fileapi.php&#39;; 
 
$form_data = array( 
  &#39;name&#39; =&gt; &#39;fdipzone&#39;, 
  &#39;gender&#39; =&gt; &#39;man&#39;, 
); 
 
$file_data = array( 
  array( 
    &#39;name&#39; =&gt; &#39;photo&#39;, 
    &#39;filename&#39; =&gt; &#39;photo.jpg&#39;, 
    &#39;path&#39; =&gt;&#39;photo.jpg&#39; 
  ) 
); 
 
// create connect 
$fp = fsockopen($host, $port, $errno, $errstr, $timeout); 
 
if(!$fp){ 
  return false; 
} 
 
// send request 
srand((double)microtime()*1000000); 
$boundary = &quot;---------------------------&quot;.substr(md5(rand(0,32000)),0,10); 
 
$data = &quot;--$boundary\r\n&quot;; 
 
// form data 
foreach($form_data as $key=&gt;$val){ 
  $data .= &quot;Content-Disposition: form-data; name=\&quot;&quot;.$key.&quot;\&quot;\r\n&quot;; 
  $data .= &quot;Content-type:text/plain\r\n\r\n&quot;; 
  $data .= rawurlencode($val).&quot;\r\n&quot;; 
  $data .= &quot;--$boundary\r\n&quot;; 
} 
 
// file data 
foreach($file_data as $file){ 
  $data .= &quot;Content-Disposition: form-data; name=\&quot;&quot;.$file[&#39;name&#39;].&quot;\&quot;; filename=\&quot;&quot;.$file[&#39;filename&#39;].&quot;\&quot;\r\n&quot;; 
  $data .= &quot;Content-Type: &quot;.mime_content_type($file[&#39;path&#39;]).&quot;\r\n\r\n&quot;; 
  $data .= implode(&quot;&quot;,file($file[&#39;path&#39;])).&quot;\r\n&quot;; 
  $data .= &quot;--$boundary\r\n&quot;; 
} 
 
$data .=&quot;--\r\n\r\n&quot;; 
 
$out = &quot;POST ${url} HTTP/1.1\r\n&quot;; 
$out .= &quot;Host:${host}\r\n&quot;; 
$out .= &quot;Content-type:multipart/form-data; boundary=$boundary\r\n&quot;; // multipart/form-data 
$out .= &quot;Content-length:&quot;.strlen($data).&quot;\r\n&quot;; 
$out .= &quot;Connection:close\r\n\r\n&quot;; 
$out .= &quot;${data}&quot;; 
 
fputs($fp, $out); 
 
// get response 
$response = &#39;&#39;; 
while($row=fread($fp, 4096)){ 
  $response .= $row; 
} 
 
fclose($fp); 
 
$pos = strpos($response, &quot;\r\n\r\n&quot;); 
$response = substr($response, $pos+4); 
 
echo $response; 
?&gt;

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fileapi.php

&lt;?php 
define(&#39;UPLOAD_PATH&#39;, dirname(__FILE__).&#39;/upload&#39;); 
 
$name = $_POST[&#39;name&#39;]; 
$gender = $_POST[&#39;gender&#39;]; 
 
$filename = time().&#39;.jpg&#39;; 
 
echo &#39;name=&#39;.$name.&#39;&lt;br&gt;&#39;; 
echo &#39;gender=&#39;.$gender.&#39;&lt;br&gt;&#39;; 
if(move_uploaded_file($_FILES[&#39;photo&#39;][&#39;tmp_name&#39;], UPLOAD_PATH.&#39;/&#39;.$filename)){ 
  echo &#39;&lt;img src=&quot;upload/&#39;.$filename.&#39;&quot;&gt;&#39;; 
} 
?&gt;

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