<?php

$data = base64_decode($_POST['image']);
$filename = 'img/temp/' . ($_SERVER['REQUEST_TIME'] + 54000) . '.png';
file_put_contents($filename, $data);
$url = 'http://' . $_SERVER['HTTP_HOST'] . preg_replace('#[^/]+$#', '', $_SERVER['SCRIPT_NAME']) . $filename;

$context = stream_context_create(array(
    'http' => array(
        'method' => 'POST',
        'header'=> "Content-type: application/x-www-form-urlencoded\r\n",
        'content' => 'photo=' . urlencode($url)
    )
));

echo(file_get_contents($_POST['serverURL'], false, $context));

?>