WordPress Version: 5.8
/**
* Retrieves the URL to the admin area for the network.
*
* @since 3.0.0
*
* @param string $path Optional path relative to the admin URL. Default empty.
* @param string $scheme Optional. The scheme to use. Default is 'admin', which obeys force_ssl_admin()
* and is_ssl(). 'http' or 'https' can be passed to force those schemes.
* @return string Admin URL link with optional path appended.
*/
function network_admin_url($path = '', $scheme = 'admin')
{
if (!is_multisite()) {
return admin_url($path, $scheme);
}
$url = network_site_url('wp-admin/network/', $scheme);
if ($path && is_string($path)) {
$url .= ltrim($path, '/');
}
/**
* Filters the network admin URL.
*
* @since 3.0.0
* @since 5.8.0 The `$scheme` parameter was added.
*
* @param string $url The complete network admin URL including scheme and path.
* @param string $path Path relative to the network admin URL. Blank string if
* no path is specified.
* @param string|null $scheme The scheme to use. Accepts 'http', 'https',
* 'admin', or null. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
*/
return apply_filters('network_admin_url', $url, $path, $scheme);
}