(PECL solr >= 0.9.2) Adds a facet query public

(PECL solr >= 0.9.2) Specifies the number of characters into a document to look for suitable snippets

(PECL solr >= 0.9.2) Return the raw characters of the indexed term

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

(PECL solr >= 0.9.2) Returns the minimum word length below which words will be ignored

(PECL solr >= 2.2.0) Add a group sort field (group.sort parameter).

(PECL solr >= 2.2.0) Sets the expand.q parameter

(PECL solr >= 2.2.0) Returns group fields (group.field parameter values)

(PECL solr >= 0.9.2) Sets the search query

(PECL solr >= 0.9.2) Maps to stats.field parameter