We want to upload file to a server with POST HTTP request. We will use curl functions.
// data fields for POST request
$fields = array("f1"=>"value1", "another_field2"=>"anothervalue");
// files to upload
$filenames = array("/tmp/1.jpg", "/tmp/2.png");
$files = array();
foreach ($filenames as $f){
$files[$f] = file_get_contents($f);
}
// URL to upload to
$url = "http://site.com/upload";
// curl
$curl = curl_init();
$url_data = http_build_query($data);
$boundary = uniqid();
$delimiter = '-------------' . $boundary;
$post_data = build_data_files($boundary, $fields, $files);
curl_setopt_array($curl, array(
CURLOPT_URL => $url,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
//CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POST => 1,
CURLOPT_POSTFIELDS => $post_data,
CURLOPT_HTTPHEADER => array(
//"Authorization: Bearer $TOKEN",
"Content-Type: multipart/form-data; boundary=" . $delimiter,
"Content-Length: " . strlen($post_data)
),
));
//
$response = curl_exec($curl);
$info = curl_getinfo($curl);
//echo "code: ${info['http_code']}";
//print_r($info['request_header']);
var_dump($response);
$err = curl_error($curl);
echo "error";
var_dump($err);
curl_close($curl);
function build_data_files($boundary, $fields, $files){
$data = '';
$eol = "\r\n";
$delimiter = '-------------' . $boundary;
foreach ($fields as $name => $content) {
$data .= "--" . $delimiter . $eol
. 'Content-Disposition: form-data; name="' . $name . "\"".$eol.$eol
. $content . $eol;
}
foreach ($files as $name => $content) {
$data .= "--" . $delimiter . $eol
. 'Content-Disposition: form-data; name="' . $name . '"; filename="' . $name . '"' . $eol
//. 'Content-Type: image/png'.$eol
. 'Content-Transfer-Encoding: binary'.$eol
;
$data .= $eol;
$data .= $content . $eol;
}
$data .= "--" . $delimiter . "--".$eol;
return $data;
}