Question

update_network_option( int $network_id,  string $option,  mixed $value )

Update the value of a network option that was already added.

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description

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参数

$network_id

(int) (Required) ID of the network. Can be null to default to the current network ID.

$option

(string) (Required) Name of option. Expected to not be SQL-escaped.

$value

(mixed) (Required) Option value. Expected to not be SQL-escaped.

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返回值

(bool) False if value was not updated and true if value was updated.

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源代码

File: wp-includes/option.php

function update_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 );

	$old_value = get_network_option( $network_id, $option, false );

	/**
	 * Filters a specific network option before its value is updated.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.9.0 As 'pre_update_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      New value of the network option.
	 * @param mixed  $old_value  Old value of the network option.
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	$value = apply_filters( "pre_update_site_option_{$option}", $value, $old_value, $option, $network_id );

	if ( $value === $old_value ) {
		return false;
	}

	if ( false === $old_value ) {
		return add_network_option( $network_id, $option, $value );
	}

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

	if ( ! is_multisite() ) {
		$result = update_option( $option, $value, 'no' );
	} else {
		$value = sanitize_option( $option, $value );

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

		if ( $result ) {
			$cache_key = "$network_id:$option";
			wp_cache_set( $cache_key, $value, 'site-options' );
		}
	}

	if ( $result ) {

		/**
		 * Fires after the value of a specific network option has been successfully updated.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 2.9.0 As "update_site_option_{$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      Current value of the network option.
		 * @param mixed  $old_value  Old value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( "update_site_option_{$option}", $option, $value, $old_value, $network_id );

		/**
		 * Fires after the value of a network option has been successfully updated.
		 *
		 * @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      Current value of the network option.
		 * @param mixed  $old_value  Old value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( 'update_site_option', $option, $value, $old_value, $network_id );

		return true;
	}

	return false;
}

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更新日志

Version	description
4.4.0	Introduced.

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相关函数

Uses

• wp-includes/load.php: get_current_network_id()
• wp-includes/option.php: add_network_option()
• wp-includes/option.php: get_network_option()
• wp-includes/cache.php: wp_cache_get()
• wp-includes/cache.php: wp_cache_set()
• wp-includes/formatting.php: sanitize_option()
• wp-includes/load.php: is_multisite()
• wp-includes/functions.php: maybe_serialize()
• wp-includes/plugin.php: apply_filters()
• wp-includes/plugin.php: do_action()
• wp-includes/option.php: pre_update_site_option_{$option}
• wp-includes/option.php: update_site_option_{$option}
• wp-includes/option.php: update_site_option
• wp-includes/option.php: update_option()
• wp-includes/option.php: wp_protect_special_option()
• wp-includes/wp-db.php: wpdb::update()
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Used By

• wp-includes/option.php: update_site_option()
• wp-includes/ms-functions.php: wp_update_network_site_counts()
• wp-includes/ms-functions.php: wp_update_network_user_counts()

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User Contributed Notes