public function getError() {
		switch ($this->error_code) {
			case UPLOAD_ERR_OK:
				return false;
			case UPLOAD_ERR_NO_FILE:
				$error = 'upload:error:no_file';
			case UPLOAD_ERR_INI_SIZE:
			case UPLOAD_ERR_FORM_SIZE:
				$error = 'upload:error:file_size';
			default:
				$error = 'upload:error:unknown';
		}
		return elgg_echo($error);
	}