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

(PECL solr >= 0.9.2) Specifies the backup field to use

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

(PECL solr >= 0.9.2) Returns an offset into the list of constraints to be used for pagination

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

(PECL solr >= 0.9.2) Returns the facet sort type

(PECL solr >= 0.9.2) Restrict matches to terms that start with the prefix

(PECL solr >= 0.9.2) Specifies a string prefix with which to limits the terms on which to facet

(PECL solr >= 0.9.2) Returns the number of similar documents to return for each result

(PECL solr >= 0.9.2) Sets the maximum number of query terms included