PageTable::onAfterDelete

static function onAfterDelete(Event $event)
{
	$pageId = $event->getParameter('primary');
	if(is_array($pageId))
	{
		$pageId = $pageId['ID'];
	}
	$pageId = (int) $pageId;
	if($pageId > 0)
	{
		PageParamTable::deleteByPageId($pageId);
	}
}