function updateMediadataEntry ($keys_array, $mode, $value) {
//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keys_array[]=' . gettype($keys_array) . ',mode=' . $mode . ',value=' . $value . ' - ENTERED!');
// Default is nothing added/updated
function updateMediadataEntry ($keys_array, $mode, $value) {
//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keys_array[]=' . gettype($keys_array) . ',mode=' . $mode . ',value=' . $value . ' - ENTERED!');
// Default is nothing added/updated