(PECL solr >= 0.9.2) Sets the search query

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

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

(PECL solr >= 2.2.0) Returns true if group expanding is enabled

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

(No version information available, might only be in Git) Collapses the result set to a single document per group

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

(PECL solr >= 0.9.2) Returns the formatter for the highlighted output