php利用fsockopen GET/POST提交表单及上传文件

$file_data = array(
array(
'name' => 'photo','filename' => 'photo.jpg','path' =>'photo.jpg'
)
);

// create connect
$fp = fsockopen($host,$timeout);

if(!$fp){
return false;
}

// send request
srand((double)microtime()*1000000);
$boundary = "---------------------------".substr(md5(rand(0,32000)),10);

$data = "--$boundaryrn";

// form data
foreach($form_data as $key=>$val){
$data .= "Content-Disposition: form-data; name="".$key.""rn";
$data .= "Content-type:text/plainrnrn";
$data .= rawurlencode($val)."rn";
$data .= "--$boundaryrn";
}

// file data
foreach($file_data as $file){
$data .= "Content-Disposition: form-data; name="".$file['name'].""; filename="".$file['filename'].""rn";
$data .= "Content-Type: ".mime_content_type($file['path'])."rnrn";
$data .= implode("",file($file['path']))."rn";
$data .= "--$boundaryrn";
}

$data .="--rnrn";

$out = "POST ${url} HTTP/1.1rn";
$out .= "Host:${host}rn";
$out .= "Content-type:multipart/form-data; boundary=$boundaryrn"; // multipart/form-data
$out .= "Content-length:".strlen($data)."rn";
$out .= "Connection:closernrn";
$out .= "${data}";

fputs($fp,$pos+4);

echo $response;
?>

fileapi.php