get_admin_users_for_domain( string $domain = '', string $path = '' )

function get_admin_users_for_domain( $domain = '', $path = '' ) {
	_deprecated_function( __FUNCTION__, 'WP-4.4.0' );

	global $wpdb;

	if ( ! $domain ) {
		$network_id = get_current_network_id();
	} else {
		$_networks  = get_networks( array(
			'fields' => 'ids',
			'number' => 1,
			'domain' => $domain,
			'path'   => $path,
		) );
		$network_id = ! empty( $_networks ) ? array_shift( $_networks ) : 0;
	}

	if ( $network_id )
		return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $network_id ), ARRAY_A );

	return false;
}