network_admin_url( string $path = '', string $scheme = 'admin' )

Retrieves the URL to the admin area for the network.


Parameters

$path

(Optional) path relative to the admin URL.

Default value: ''

$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.

Default value: 'admin'


Return

(string) Admin URL link with optional path appended.


Source

File: wp-includes/link-template.php

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 WP-3.0.0
	 *
	 * @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.
	 */
	return apply_filters( 'network_admin_url', $url, $path );
}


Changelog

Changelog
Version Description
WP-3.0.0 Introduced.