ifx_num_fields

(No version information available, might be only in CVS)

ifx_num_fields — Returns the number of columns in the query

int ifx_num_fields ( resource $result_id )

After preparing or executing a query, this call gives you the number of columns in the query.

result_id: 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);
?>


	PHP5中文手册 ifx_nullformat ifx_num_rows Informix PHP Manual ifx_num_fields (No version information available, might be only in CVS) ifx_num_fields — Returns the number of columns in the query 说明 int ifx_num_fields ( resource `$result_id` ) After preparing or executing a query, this call gives you the number of columns in the query. 参数 `result_id` `result_id` is a valid resultid returned by ifx_query() or ifx_prepare() (select type queries only!). 返回值 Returns the number of columns in query for `result_id` , or `FALSE` on errors. 范例 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); ?>` 参见 ifx_num_rows() ifx_nullformat ifx_num_rows Informix PHP Manual