(PECL solr >= 2.2.0) Enable/Disable result grouping (group parameter)

(PECL solr >= 0.9.2) Checks the threads status

(PECL solr >= 0.9.2) Creates Solr object public

(PECL solr >= 0.9.2) Sets the index-time boost value for a field

(PECL solr >= 0.9.2) Deletes all documents matching the given query

(PECL solr >= 0.9.2) Returns whether or not stats is enabled

(PECL solr >= 0.9.2) Parses an response XML string into a SolrObject

(PECL solr >= 2.2.0) Returns the field that is being collapsed on.

(PECL solr >= 0.9.2) Specifies how to sort the returned terms

(PECL solr >= 0.9.2) Destructor public void