Retrieves the file description from a field field element.
This helper function is used by file_field_widget_process_multiple().
$element: The element being processed.
A description of the file suitable for use in the administrative interface.
function _file_field_get_description_from_element($element) {
// Use the actual file description, if it's available.
if (!empty($element['#default_value']['description'])) {
return $element['#default_value']['description'];
}
// Otherwise, fall back to the filename.
if (!empty($element['#default_value']['filename'])) {
return $element['#default_value']['filename'];
}
// This is probably a newly uploaded file; no description is available.
return FALSE;
}