(PECL solr >= 2.2.0) Returns the group.ngroups value

(PECL solr >= 0.9.2) Returns the main query

(PECL solr >= 0.9.2) Removes one of the sort fields

(PECL solr >= 0.9.2) Sets a text snippet generator for highlighted text

(PECL solr >= 0.9.2) Returns the state of the hl.usePhraseHighlighter parameter

(PECL solr >= 0.9.2) Sets the term to stop at

(PECL solr >= 0.9.2) Returns the term prefix

(PECL solr >= 0.9.2) Sets the offset into the list of constraints to allow for pagination

(PECL solr >= 0.9.2) Removes one of the fields used for highlighting

(PECL solr >= 0.9.2) Require field matching during highlighting