*/ class BaseElementSubsites extends DataExtension { /** * Set SubsiteID to avoid errors when a page doesn't exist on the CMS domain. * * @param string &$link * @param string|null $action * @return string */ public function updatePreviewLink(&$link) { // Get subsite ID from the element or from its page. Defaults to 0 automatically. $subsiteID = $this->owner->SubsiteID; if (is_null($subsiteID)) { $page = $this->owner->getPage(); if ($page) { $subsiteID = $page->SubsiteID; } } $link = HTTP::setGetVar('SubsiteID', intval($subsiteID), $link); } }