Used to control how the results should be sorted

SolrQuery::addSortField

(PECL solr >= 0.9.2)

SolrQuery::addSortField — Used to control how the results should be sorted

public SolrQuery SolrQuery::addSortField ( string $field [, int $order = SolrQuery::ORDER_DESC ] )

Used to control how the results should be sorted.

field: The name of the field
order: The sort direction. This should be either SolrQuery::ORDER_ASC or SolrQuery::ORDER_DESC.

Returns the current SolrQuery object.