SolrInputDocument
PHP Manual

SolrInputDocument::sort

Sorts the fields within the document

Description

public bool SolrInputDocument::sort(int $sortOrderBy, int $sortDirection = SolrInputDocument::SORT_ASC)

The fields are rearranged according to the specified criteria and sort direction
   
   Fields can be sorted by boost values, field names and number of values.
   
   The $order_by parameter must be one of :
   
   * SolrInputDocument::SORT_FIELD_NAME
   * SolrInputDocument::SORT_FIELD_BOOST_VALUE
   * SolrInputDocument::SORT_FIELD_VALUE_COUNT
   
   The sort direction can be one of :
   
   * SolrInputDocument::SORT_DEFAULT
   * SolrInputDocument::SORT_ASC
   * SolrInputDocument::SORT_DESC

Parameters

sortOrderBy

The sort criteria

sortDirection

The sort direction

Return Values

Returns true on success or false on failure.