(PECL solr >= 0.9.2) Sets the minimum document frequency used for determining term count

(PECL solr >= 0.9.2) Returns the maximum number of characters into a document to look for suitable snippets

(PECL solr >= 0.9.2) Maps to stats.field parameter

(PECL solr >= 2.2.0) Returns group fields (group.field parameter values)

(PECL solr >= 0.9.2) Returns all the fields that Solr should generate highlighted snippets for

(PECL solr >= 0.9.2) Returns whether or not the collapse contiguous fragments into a single fragment

(PECL solr >= 0.9.2) Whether or not to return raw characters

(PECL solr >= 0.9.2) Adds another facet.date.other parameter

(PECL solr >= 0.9.2) Maps to facet.missing

(PECL solr >= 0.9.2) Sets the minimum document frequency