(PECL solr >= 0.9.2) The size of fragments to consider for highlighting

(PECL solr >= 2.2.0) Sets the number of rows to display in each group (expand.rows). Server Default 5

(PECL solr >= 0.9.2) Returns an array representation of the input document

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

(PECL solr >= 2.2.0) Returns an array of fields

(PECL solr >= 2.2.0) If true, Solr includes the number of groups that have matched the query in the results

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

(PECL solr >= 0.9.2) Checks the threads status

(PECL solr >= 0.9.2) Returns the maximum number of characters of the field to return

(PECL solr >= 0.9.2) Sends a raw update request