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# maxdb_num_fields

(no version information, might be only in CVS)

maxdb_num_fields -- Get the number of fields in a result

## Description

Procedural style:

int maxdb_num_fields ( resource result )

maxdb_num_fields() returns the number of fields from specified result set.

## Return Values

The number of fields from a result set

## 參考

maxdb_fetch_field()

## Example

範例 1. Procedural style

`<?php
$link = maxdb_connect("localhost", "MONA", "RED");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
if ($result = maxdb_query($link, "SELECT * FROM hotel.city ORDER BY zip")) {
/* determine number of fields in result set */
$field_cnt = maxdb_num_fields($result);
printf("Result set has %d fields.\n", $field_cnt);
/* close result set */
maxdb_free_result($result);
}
/* close connection */
maxdb_close($link);
?>`

The above examples would produce the following output:

    Result set has 3 fields.

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