- file_add_form_submit in core/
modules/ file/ file.pages.inc - Submit handler for the add file form.
- file_build_uri in core/
includes/ file.inc - Constructs a URI to Backdrop's default files location given a relative path.
- file_manage_form_submit in core/
modules/ file/ file.pages.inc - Form submission handler for the 'Save' button for file_manage_form().
- file_save_htaccess in core/
includes/ file.inc - Creates a .htaccess file in the given directory.
- file_scan_directory in core/
includes/ file.inc - Finds all files that match a given mask in a given directory.
- file_unmanaged_prepare in core/
includes/ file.inc - Internal function that prepares the destination for a file_unmanaged_copy or file_unmanaged_move operation.
- system_transliteration_retroactive_submit in core/
modules/ system/ system.admin.inc - Form submit function; retroactively transliterates existing file names.
- UserStorageController::preSave in core/
modules/ user/ user.entity.inc - Overrides EntityDatabaseStorageController::preSave().