ntwb / wordpress

	$orig_scheme = $scheme;

	if ( empty( $blog_id ) || !is_multisite() ) {

		$url = get_option( 'home' );

	} else {

		switch_to_blog( $blog_id );

		$url = get_option( 'home' );

		restore_current_blog();

	}

	if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) ) {

		if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow )

 * @return string Site URL link with optional path appended.

 */

function get_site_url( $blog_id = null, $path = '', $scheme = null ) {

	if ( empty( $blog_id ) || !is_multisite() ) {

		$url = get_option( 'siteurl' );

	} else {

		switch_to_blog( $blog_id );

		$url = get_option( 'siteurl' );

		restore_current_blog();

	}

	$url = set_url_scheme( $url, $scheme );