maxdb_next_result
maxdb_num_rows
MaxDB Функции
PHP Manual

# maxdb_num_fields

# result->field_count

(PECL maxdb:1.0-7.6.00.38)

maxdb_num_fields -- result->field_count — Get the number of fields in a result

### Описание

Procedural style:

int maxdb_num_fields ( resource `$result` )

Object oriented style (property):

result
int $field_count;

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

### Возвращаемые значения

The number of fields from a result set

### Примеры

Пример #1 Object oriented style

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

Пример #2 Procedural style

`<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
if ($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);
?>`

Результатом выполнения данного примера будет что-то подобное:

    Result set has 3 fields.

### Смотрите также

- maxdb_fetch_field()

maxdb_next_result
maxdb_num_rows
MaxDB Функции
PHP Manual