foreach (glob("/directory/to/upload/*.*") as $filename)
    ftp_put($ftp_stream, basename($filename) , $filename, FTP_BINARY);

$servername = $GLOBALS["servername"];
    $ftpUser = $GLOBALS["ftpUser"];
    $ftpPass = $GLOBALS["ftpPass"];
$conn_id = ftp_connect($servername) or die("<p style="color:red">Error connecting to $servername </p>");

if(ftp_login($conn_id, $ftpUser, $ftpPass))
{
    $dir_handle = @opendir($path) or die("Error opening $path");

         while ($file = readdir($dir_handle)) {
            ftp_put($conn_id, PATH_TO_REMOTE_FILE, $file)
        }
}