(PECL solr >= 0.9.2) Returns an integer indicating how terms are sorted

(PECL solr >= 2.2.0) Sets the group format, result structure (group.format parameter).

(PECL solr >= 2.2.0) Allows grouping of documents that match the given query.

(PECL solr >= 0.9.2) Adds another field to the facet

(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).