In [`extractWikidata()` function](https://github.com/geo6/equalstreetnames/blob/master/scripts/geojson.php#L219), use [JsonDumpReader](https://github.com/JeroenDeDauw/JsonDumpReader) and [WikibaseDataModelSerialization](https://github.com/wmde/WikibaseDataModelSerialization) ! See <https://www.mediawiki.org/wiki/Wikibase/DataModel/JSON>
In
extractWikidata()function, use JsonDumpReader and WikibaseDataModelSerialization !See https://www.mediawiki.org/wiki/Wikibase/DataModel/JSON