// connect and login to FTP server
$ftp_server = "IP";
$ftp_conn = ftp_connect($ftp_server) or die("Could not connect to $ftp_server");
$login = ftp_login($ftp_conn, "name", "password");

// list all files in upload directory and with "a" download file
$target_dir = "uploads/";
$files = ftp_nlist($ftp_conn, $target_dir);
foreach($files as $file) {
    echo "<a href='$file' download>$file</a>";
    echo "<br>";
}