(PECL sphinx >= 0.1.0) Set ranking mode public

(PECL solr >= 0.9.2) Returns all the stats facets that were set

(PECL solr >= 0.9.2) Determines the ordering of the facet field constraints

(PECL solr >= 0.9.2) Returns the query fields and their boosts

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

(PECL solr >= 2.2.0) Returns group functions (group.func parameter values)

(PECL solr >= 0.9.2) Removes one of the stats.facet parameters

(PECL solr >= 2.2.0) Returns the expand query expand.q parameter

(PECL solr >= 0.9.2) Returns the minimum document frequency to return in order to be included

(PECL solr >= 0.9.2) Specifies the maximum number of rows to return in the result