upload_test.php

<?php
header('Content-type: text/plain; charset=utf-8');

$uploaddir = '/home/akira/public_html/up/';
$id= uniqid();
if(isset($_POST['name']) && (0==preg_match("/[^0-9a-zA-Z]/",$_POST['name'])  )){
    $id=$_POST['name'];   
}

$uploadfile = $uploaddir .$id.".bin";

if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {
    echo "http://10.0.1.108/~akira/up/".$id.".bin\n";
} else {
    echo "ERROR";
}