public function getCollections($urnOrSuffix = null)
    {
        $knownUrns = [
            'contributor' => self::URN_CONTRIBUTOR,
            'property' => self::URN_PROPERTY,
            'series' => self::URN_SERIES,
            'topic' => self::URN_TOPIC,
        ];
        $urnOrSuffix = isset($knownUrns[$urnOrSuffix]) ? $knownUrns[$urnOrSuffix] : $urnOrSuffix;
        return $this->links('collection', $urnOrSuffix);
    }
public function getCollections($urnOrSuffix = null)
    {
        $knownUrns = [
            'contributor' => self::URN_CONTRIBUTOR,
            'property' => self::URN_PROPERTY,
            'series' => self::URN_SERIES,
            'topic' => self::URN_TOPIC,
        ];
        $urnOrSuffix = isset($knownUrns[$urnOrSuffix]) ? $knownUrns[$urnOrSuffix] : $urnOrSuffix;
        return $this->links('collection', $urnOrSuffix);
    }
public function getCollections ( $ urnOrSuffix = null ) { $ knownUrns = [ 'contributor' => self :: URN_CONTRIBUTOR , 'property' => self :: URN_PROPERTY , 'series' => self :: URN_SERIES , 'topic' => self :: URN_TOPIC , ] ; $ urnOrSuffix = isset ( $ knownUrns [ $ urnOrSuffix ] ) ? $ knownUrns [ $ urnOrSuffix ] : $ urnOrSuffix ; return $ this -> links ( 'collection' , $ urnOrSuffix ) ; }
Get a set of collection links

@param string $urnOrSuffix urn (or urn suffix) to filter by
@return CollectionDocJsonLinks the collection links array
Get a set of collection links