Note - if using morelikethis, and your query is on a numeric ID, then you will not be able to access the moreLikeThis object in the results...when q=id:3493 searching with mlt, result is:SolrObject Object(... [moreLikeThis] => SolrObject Object ( [3493] => SolrObject Object ( [numFound] => 6286 [start] => 0 [docs] => Array (....etcthe numeric object name (3493 above) is impossible to accessnot by $response->moreLikeThis->{3493} nor $response->moreLikeThis->{'3493'}, nothing...only way is to convert the moreLikeThis object into an array with:$response_array = (array) $response->moreLikeThis;then iterate the array as the array key is known.