is_main_site()

最后更新于：2021-11-27 09:01:05

Determine whether a site is the main site of the current network.

参数

$site_id

(int) (Optional) Site ID to test. Defaults to current site.

Default value: null

$network_id

(int) (Optional) Network ID of the network to check for. Defaults to current network.

Default value: null

响应

(bool) True if $site_id is the main site of the network, or if not running Multisite.

源文件

文件: gc-includes/functions.php

function is_main_site( $site_id = null, $network_id = null ) {
	if ( ! is_multisite() ) {
		return true;
	}

	if ( ! $site_id ) {
		$site_id = get_current_blog_id();
	}

	$site_id = (int) $site_id;

	return get_main_site_id( $network_id ) === $site_id;
}