public function postProcessValueHash($outgoingValueHash) { if (!isset($outgoingValueHash['destinationContentIds']) || !is_array($outgoingValueHash['destinationContentIds']) || !$this->canMapContentHref()) { return $outgoingValueHash; } $outgoingValueHash['destinationContentHrefs'] = array_map(function ($contentId) { return $this->mapToContentHref($contentId); }, $outgoingValueHash['destinationContentIds']); return $outgoingValueHash; }