(PHP 4, PHP <=5.2.0)
ifx_num_fields — Returns the number of columns in the query
After preparing or executing a query, this call gives you the number of columns in the query.
result_id is a valid resultid returned by ifx_query() or ifx_prepare() (select type queries only!).
Returns the number of columns in query for result_id, or FALSE on errors.
Example #1 ifx_num_fields() Example
<?php
$conn_id = ifx_connect("db", "user", "password");
$res_id = ifx_query("select * from systables", $conn_id);
echo ifx_num_fields($res_id);
?>