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

(PECL solr >= 0.9.2) Toggles the echoHandler parameter

(PECL solr >= 0.9.2) Returns the text snippet generator for highlighted text

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

(PECL solr >= 2.2.0) Overrides main filter query, determines which documents to include in the main group

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

(PECL solr >= 2.2.0) Returns The number of rows to display in each group (expand.rows)

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

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

(PECL solr >= 0.9.2) Returns the time in milliseconds allowed for the query to finish