--TEST-- SolrDocument::merge() - merging source document into current document --FILE-- addField('id', 1123); $doc->features = "PHP Client Side"; $doc->features = "Fast development cycles"; $doc['cat'] = 'Software'; $doc['cat'] = 'Custom Search'; $doc->cat = 'Information Technology'; $second_doc->addField('cat', 'Lucene Search'); $second_doc->merge($doc, true); print_r($second_doc->toArray()); ?> --EXPECT-- Array ( [document_boost] => 0 [field_count] => 3 [fields] => Array ( [0] => SolrDocumentField Object ( [name] => cat [boost] => 0 [values] => Array ( [0] => Software [1] => Custom Search [2] => Information Technology ) ) [1] => SolrDocumentField Object ( [name] => id [boost] => 0 [values] => Array ( [0] => 1123 ) ) [2] => SolrDocumentField Object ( [name] => features [boost] => 0 [values] => Array ( [0] => PHP Client Side [1] => Fast development cycles ) ) ) )