Parsed: 110932

function network_domain_check() {
  global $wpdb;

  $sql = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $wpdb->site ) );
  if ( $wpdb->get_var( $sql ) ) {
    return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
  }
  return false;
}