(PECL solr >= 2.2.0) Add a group sort field (group.sort parameter).

(PECL solr >= 0.9.2) Returns whether or not the TermsComponent is enabled

(PECL solr >= 0.9.2) Adds a facet query public

(PECL solr >= 2.2.0) Allows grouping of documents that match the given query.

(PECL solr >= 0.9.2) Returns an integer indicating how terms are sorted

(PECL solr >= 0.9.2) Returns the offset in the complete result set

(PECL solr >= 0.9.2) Returns the minimum word length below which words will be ignored

(PECL solr >= 0.9.2) Returns the list of fields that will be returned in the response

(PECL solr >= 0.9.2) Set if the query will be boosted by the interesting term relevance

(PECL solr >= 0.9.2) Maps to mlt.qf public