PHP Manual: Specifies how to sort the returned terms

Description

public SolrQuery SolrQuery::setTermsSort ( int $sortType )

If SolrQuery::TERMS_SORT_COUNT, sorts the terms by the term frequency (highest count first). If SolrQuery::TERMS_SORT_INDEX, returns the terms in index order

Parameters

sortType: SolrQuery::TERMS_SORT_INDEX or SolrQuery::TERMS_SORT_COUNT

Return Values

Returns the current SolrQuery object, if the return value is used.