Руководство по PHP
Пред. |  | След.

# 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.

## Возвращаемые значения

The number of fields from a result set

## Смотрите также

maxdb_fetch_field()

## Example

Пример 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.

Пред. | Начало | След.
maxdb_next_result | Уровень выше | maxdb_num_rows