简述php利用fsockopenGET/POST进行表单提交和上传文件方法

php利用fsockopen GET/POST提交表单及上传文件，具体内容如下

1.GET

get.php

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

getapi.php

<?php 
$name = $_GET['name']; 
$gender = $_GET['gender']; 
 
echo 'name='.$name.'<br>'; 
echo 'gender='.$gender; 
?>

2.POST

post.php

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

postapi.php

<?php 
define('UPLOAD_PATH', dirname(__FILE__).'/upload'); 
 
$name = $_POST['name']; 
$gender = $_POST['gender']; 
$photo = $_POST['photo']; 
 
$filename = time().'.jpg'; 
file_put_contents(UPLOAD_PATH.'/'.$filename, $photo, true); 
 
echo 'name='.$name.'<br>'; 
echo 'gender='.$gender.'<br>'; 
echo '<img src="upload/'.$filename.'">'; 
?>

3.上传文件

file.php

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

fileapi.php

<?php 
define('UPLOAD_PATH', dirname(__FILE__).'/upload'); 
 
$name = $_POST['name']; 
$gender = $_POST['gender']; 
 
$filename = time().'.jpg'; 
 
echo 'name='.$name.'<br>'; 
echo 'gender='.$gender.'<br>'; 
if(move_uploaded_file($_FILES['photo']['tmp_name'], UPLOAD_PATH.'/'.$filename)){ 
  echo '<img src="upload/'.$filename.'">'; 
} 
?>

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