SolrQuery::getGroupFunctions

(PECL solr >= 2.2.0)

SolrQuery::getGroupFunctions — Returns group functions (group.func parameter values)

public SolrQuery::getGroupFunctions ( void ) : array

Returns group functions (group.func parameter values)

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SolrQuery::addGroupFunction() - Allows grouping results based on the unique values of a function query (group.func parameter)