ifx_num_rows
    (PHP 3>= 3.0.3, PHP 4 , PHP 5)
ifx_num_rows -- Count the rows already fetched from a query
Description
int 
ifx_num_rows ( int result_id)
     Gives the number of rows fetched so far for a query with
     result_id after a
     ifx_query() or ifx_do()
     query.