public File::isPermanent() Returns TRUE

public FileSystem::tempnam($directory, $prefix) Creates

Provide views data for

public MimeTypeGuesser::__construct(StreamWrapperManagerInterface

File storage for files. Hierarchy class \Drupal\Core\Entity\

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

hook_filetransfer_info() Register information about FileTransfer classes provided by a module.

public static File::baseFieldDefinitions(EntityTypeInterface $entity_type)

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

public FileInterface::getMimeType() Returns