file_progress_implementation() Determines the preferred upload progress implementation.

public File::setPermanent() Sets the file

The module handler. Type:

file_icon_class($mime_type) Gets a class for the icon for a MIME type. Parameters

Defines the file schema handler. Hierarchy class \Drupal\Core\Entity\Sql\

public FileInterface::setFilename($filename)

public FileSystem::basename($uri, $suffix = NULL) Gets

public FileStorage::spaceUsed($uid = NULL, $status = FILE_STATUS_PERMANENT)

public FileInterface::getFilename() Returns

public FileUsageInterface::delete(FileInterface