public static ManagedFile::uploadAjaxCallback(&$form, FormStateInterface

An array of arrays of registered guessers keyed by priority. Type:

Defines the database file usage backend. This is the default Drupal backend. Hierarchy class

file_save_data($data, $destination = NULL, $replace = FILE_EXISTS_RENAME) Saves a file to the specified destination

public ExtensionMimeTypeGuesser::guess($path)

The database connection used to store file usage information. Type:

public File::preSave(EntityStorageInterface $storage)

file_validate_name_length(FileInterface $file) Checks for files with names longer than can be stored in the

public FileSystem::chmod($uri, $mode = NULL) Sets

Default theme implementation to display a file form widget. Available variables: element: