(PECL solr >= 0.9.2) Enables or disables moreLikeThis

(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) Defragments the index

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

(PECL solr >= 0.9.2) Sets the parameter to the specified value

(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 internal information where the Exception was thrown