(PECL solr >= 0.9.2)
Represents a Solr document retrieved from a query response.
SolrDocument::SORT_DEFAULT Default mode for sorting fields within the document.
SolrDocument::SORT_ASC Sorts the fields in ascending order
SolrDocument::SORT_DESC Sorts the fields in descending order
SolrDocument::SORT_FIELD_NAME Sorts the fields by field name.
SolrDocument::SORT_FIELD_VALUE_COUNT Sorts the fields by number of values in each field.
SolrDocument::SORT_FIELD_BOOST_VALUE Sorts the fields by thier boost values.