(PECL solr >= 0.9.2) Returns the value for the facet.date.end parameter

(PECL solr >= 2.2.0) Removes an expand sort field from the expand.sort parameter.

(PECL solr >= 0.9.2) Returns the maximum number of highlighted snippets to generate per field

(PECL solr >= 2.2.0) Enables caching for result grouping

(PECL solr >= 0.9.2) Specify the regular expression for fragmenting

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

(PECL solr >= 0.9.2) Returns all the sort fields

(PECL solr >= 0.9.2) Returns the value of the facet.method parameter

(PECL solr >= 0.9.2) Returns the term to start at

(PECL solr >= 0.9.2) Sets the maximum word length