SolrQuery::addSortField
  Used to control how the results should be sorted
  
 
  Description
  
   public SolrQuery SolrQuery::addSortField
    ( string $field
   [, int $order = SolrQuery::ORDER_DESC
  ] )
  
  
 
  Parameters
  
   
    - 
     field
- 
      
       The name of the field
       
- 
     order
- 
      
       The sort direction. This should be either SolrQuery::ORDER_ASC or SolrQuery::ORDER_DESC.
       
 
 
  Return Values
  
   Returns the current SolrQuery object.