upload files

<?php

$filename = trim(addslashes($_FILES['file']['name']));
$newfile = str_replace(" ","_", $filename);
if ($newfile > 0)
{
    echo "Error: " . $newfile . "<br />";
}
else
{
    echo "Upload: " . $_FILES["file"]["name"] . "<br>";
    echo "Type: " . $_FILES["file"]["type"] . "<br>";
    echo "Size: " . ($_FILES["file"]["size"] / 102400) . " KB<br>";
    echo "Stored in: " . $_FILES["file"]["tmp_name"];
    move_uploaded_file($_FILES["file"]["tmp_name"],
        "D:/xampp/htdocs/uploads/" . $newfile);
    header('Location: dashboard.php');
}
?>