/**
* Get a stored_file instance by filename
*
* @param string $filename
* @return \stored_file
*/
public function get($filename)
{
return $this->storage->get_file($this->context->id, self::COMPONENT, self::FILEAREA, self::ITEMID, self::FILEPATH, $filename);
}
/**
* Wrapper function useful for deleting an existing file (if present) just
* before creating a new one.
*
* @param file_storage $fs File storage
* @param array $filerecord File record in same format used to create file
*/
public static function delete_existing_file_record(file_storage $fs, array $filerecord)
{
if ($existing = $fs->get_file($filerecord['contextid'], $filerecord['component'], $filerecord['filearea'], $filerecord['itemid'], $filerecord['filepath'], $filerecord['filename'])) {
$existing->delete();
}
}