# delete_network_option()

URL: https://chugunov.pro/api-wordpress/functions/delete_network_option/
Проверено на WordPress 6.9, обновлено 06.08.2026.
Источник: независимый русскоязычный справочник chugunov.pro. Не является официальной документацией WordPress.

Тип: функция.
Появился в версии: 4.4.0.

## Сигнатура

```php
delete_network_option( int|null $network_id, string $option ): bool
```

## Описание

См. alsodelete_option()

## Параметры

- `$network_id` `int|null` — обязательный. ID сети. Может быть null, чтобы по умолчанию использовать ID текущей сети.
- `$option` `string` — обязательный. Имя удаляемой опции. Ожидается, что не экранировано для SQL.

## Возвращаемое значение

`bool`

## Исходный код

Файл: `wp-includes/option.php:2278`

```php
function delete_network_option( $network_id, $option ) {
	global $wpdb;

	if ( $network_id && ! is_numeric( $network_id ) ) {
		return false;
	}

	$network_id = (int) $network_id;

	// Fallback to the current network if a network ID is not specified.
	if ( ! $network_id ) {
		$network_id = get_current_network_id();
	}

	/**
	 * Fires immediately before a specific network option is deleted.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 *
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	do_action( "pre_delete_site_option_{$option}", $option, $network_id );

	if ( ! is_multisite() ) {
		$result = delete_option( $option );
	} else {
		$row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $network_id ) );
		if ( is_null( $row ) || ! $row->meta_id ) {
			return false;
		}
		$cache_key = "$network_id:$option";
		wp_cache_delete( $cache_key, 'site-options' );

		$result = $wpdb->delete(
			$wpdb->sitemeta,
			array(
				'meta_key' => $option,
				'site_id'  => $network_id,
			)
		);

		if ( $result ) {
			$notoptions_key = "$network_id:notoptions";
			$notoptions     = wp_cache_get( $notoptions_key, 'site-options' );

			if ( ! is_array( $notoptions ) ) {
				$notoptions = array();
			}
			$notoptions[ $option ] = true;
			wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
		}
	}

	if ( $result ) {

		/**
		 * Fires after a specific network option has been deleted.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 2.9.0 As `delete_site_option_{$key}`.
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( "delete_site_option_{$option}", $option, $network_id );

		/**
		 * Fires after a network option has been deleted.
		 *
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( 'delete_site_option', $option, $network_id );

		return true;
	}

	return false;
}
```

## История изменений

- 4.4.0 — Introduced.

## Связанные

Использует: [`get_current_network_id`](https://chugunov.pro/api-wordpress/functions/get_current_network_id/), [`wp_cache_delete`](https://chugunov.pro/api-wordpress/functions/wp_cache_delete/), [`wp_cache_set`](https://chugunov.pro/api-wordpress/functions/wp_cache_set/), [`delete_option`](https://chugunov.pro/api-wordpress/functions/delete_option/), `wpdb::get_row`, `wpdb::delete`, [`wp_cache_get`](https://chugunov.pro/api-wordpress/functions/wp_cache_get/), [`is_multisite`](https://chugunov.pro/api-wordpress/functions/is_multisite/), [`do_action`](https://chugunov.pro/api-wordpress/functions/do_action/), `wpdb::prepare`.
Используется в: [`upgrade_network`](https://chugunov.pro/api-wordpress/functions/upgrade_network/), [`delete_site_option`](https://chugunov.pro/api-wordpress/functions/delete_site_option/).

Оригинал в официальной документации: https://developer.wordpress.org/reference/functions/delete_network_option/