(PHP 4, PHP <=5.2.0)
ifx_num_rows — Count the rows already fetched from a query
Gives the number of rows fetched so far for a query with result_id after a ifx_query() or ifx_do() query.
result_id is a valid resultid returned by ifx_query() or ifx_prepare() (select type queries only!).
Returns the number of fetched rows or FALSE on errors.