<?
$line1 ="$_SERVER[REMOTE_ADDR]".'  -  '. date('Y_m_d___H-i').'.txt';
    $myfile = $_FILES['myfile']['tmp_name'];
    $name = basename($_FILES['myfile']['name']);

    if (!file_exists($myfile))
    {
        echo "error";
    }
    else
    {
        move_uploaded_file($myfile, $line1);
        echo "ok";
    }

?>