# add_network_option()

URL: https://chugunov.pro/api-wordpress/functions/add_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
add_network_option( int|null $network_id, string $option, mixed $value ): bool
```

## Описание

Существующие опции не будут обновлены.
См. alsoadd_option()

## Параметры

- `$network_id` `int|null` — обязательный. ID сети. Может быть null, чтобы по умолчанию использовать ID текущей сети.
- `$option` `string` — обязательный. Имя добавляемой опции. Ожидается, что не экранировано для SQL.
- `$value` `mixed` — обязательный. Значение опции, может быть любым. Не должно быть экранировано для SQL.

## Возвращаемое значение

`bool`

## Исходный код

Файл: `wp-includes/option.php:2152`

```php
function add_network_option( $network_id, $option, $value ) {
	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();
	}

	wp_protect_special_option( $option );

	/**
	 * Filters the value of a specific network option before it is added.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.9.0 As `pre_add_site_option_{$key}`.
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 *
	 * @param mixed  $value      Value of network option.
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	$value = apply_filters( "pre_add_site_option_{$option}", $value, $option, $network_id );

	$notoptions_key = "$network_id:notoptions";

	if ( ! is_multisite() ) {
		$result = add_option( $option, $value, '', false );
	} else {
		$cache_key = "$network_id:$option";

		/*
		 * Make sure the option doesn't already exist.
		 * We can check the 'notoptions' cache before we ask for a DB query.
		 */
		$notoptions = wp_cache_get( $notoptions_key, 'site-options' );

		if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) {
			if ( false !== get_network_option( $network_id, $option, false ) ) {
				return false;
			}
		}

		$value = sanitize_option( $option, $value );

		$serialized_value = maybe_serialize( $value );
		$result           = $wpdb->insert(
			$wpdb->sitemeta,
			array(
				'site_id'    => $network_id,
				'meta_key'   => $option,
				'meta_value' => $serialized_value,
			)
		);

		if ( ! $result ) {
			return false;
		}

		wp_cache_set( $cache_key, $value, 'site-options' );

		// This option exists now.
		$notoptions = wp_cache_get( $notoptions_key, 'site-options' ); // Yes, again... we need it to be fresh.

		if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
			unset( $notoptions[ $option ] );
			wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
		}
	}

	if ( $result ) {

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

		/**
		 * Fires after a network option has been successfully added.
		 *
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param mixed  $value      Value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( 'add_site_option', $option, $value, $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/), [`get_network_option`](https://chugunov.pro/api-wordpress/functions/get_network_option/), [`wp_cache_set`](https://chugunov.pro/api-wordpress/functions/wp_cache_set/), [`sanitize_option`](https://chugunov.pro/api-wordpress/functions/sanitize_option/), [`maybe_serialize`](https://chugunov.pro/api-wordpress/functions/maybe_serialize/), [`add_option`](https://chugunov.pro/api-wordpress/functions/add_option/), [`wp_protect_special_option`](https://chugunov.pro/api-wordpress/functions/wp_protect_special_option/), `wpdb::insert`, [`wp_cache_get`](https://chugunov.pro/api-wordpress/functions/wp_cache_get/), [`is_multisite`](https://chugunov.pro/api-wordpress/functions/is_multisite/), [`apply_filters`](https://chugunov.pro/api-wordpress/functions/apply_filters/), [`do_action`](https://chugunov.pro/api-wordpress/functions/do_action/).
Используется в: [`update_network_option`](https://chugunov.pro/api-wordpress/functions/update_network_option/), [`add_site_option`](https://chugunov.pro/api-wordpress/functions/add_site_option/).

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