更新已添加的网络选项的值。

原型

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

参数

$network_id (int) (Required) 网络ID。可以为null以默认为当前网络ID。

$option (string) (Required) 选项名称。预计不会被SQL转义。

$value (mixed) (Required) 期权价值。预计不会被SQL转义。

返回值

(bool)  如果未更新值,则返回false,如果更新值,则返回true。

源文件

路径:wp-includes/option.php

<?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;
}
...
?>

其他

英文文档:https://developer.wordpress.org/reference/functions/update_network_option/