(PECL solr >= 0.9.2)
Returns the facet sort type
public int SolrQuery::getFacetSort ([ string $field_override ] )
Returns an integer (SolrQuery::FACET_SORT_INDEX or SolrQuery::FACET_SORT_COUNT)
Parameters:
field_override
The name of the field
Returns:
Returns an integer (SolrQuery::FACET_SORT_INDEX or SolrQuery::FACET_SORT_COUNT) on success or NULL if not set.
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