db_backup($conn, $ext='no', $comm='', $path=null)
db_export($conn, $filename, $zip='no', $comment='', $no_default=false)
save_to_file($path, $zip, $fileData)
db_backup($conn, $ext='no', $comm='', $path=null)
db_export($conn, $filename, $zip='no', $comment='', $no_default=false)
save_to_file($path, $zip, $fileData)