Elgg\Notifications\NotificationsService::setDeprecatedNotificationSubject PHP Method

    public function setDeprecatedNotificationSubject($type, $subtype, $subject)
    {
        if ($type == '') {
            $type = '__BLANK__';
        }
        if ($subtype == '') {
            $subtype = '__BLANK__';
        }
        if (!isset($this->deprSubjects[$type])) {
            $this->deprSubjects[$type] = array();
        }
        $this->deprSubjects[$type][$subtype] = $subject;
    }