$ch = curl_init();
$data = array('name' => 'img', 'file' => $_FILES["img"]["tmp_name"].".png");
curl_setopt($ch, CURLOPT_URL, 'http://www.postto.me/upload.php');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
echo $response;

ve yanıt alın?