protected function saveEventTags(int $iEventId, array $aTags)
    {
        // Delete existing tags
        $this->queryPDO(
            'DELETE FROM `sked_event_tags` WHERE `sked_event_id` = ?',
            [$iEventId]
        );

        // Create new tags
        if (!empty($aTags)) {
            $aValueSets = [];
            $aExecParams[':sked_event_id'] = $iEventId;
            $strQuery = 'INSERT INTO `sked_event_tags` (`sked_event_id`, `tag_id`, `value`, `created_at`) VALUES ';
            foreach ($aTags as $iTagId => $mTagValue) {
                $strTagParam = ':tag_id_' . $iTagId;
                $strValueParam = ':value_' . $iTagId;
                $aValueSets[] = '(:sked_event_id, ' . $strTagParam . ', ' . $strValueParam . ', NOW())';
                $aExecParams[$strTagParam] = $iTagId;
                $aExecParams[$strValueParam] = $mTagValue;
            }
            $strQuery .= implode(',', $aValueSets);

            $this->queryPDO($strQuery, $aExecParams);
        }

        return true;
    }