# Update the site_stats.ss_users field
$users = $dbw->selectField( 'user', 'COUNT(*)', array(), __METHOD__ );
$dbw->update( 'site_stats', array( 'ss_users' => $users ), array( 'ss_row_id' => 1 ), __METHOD__ );
# Update the site_stats.ss_users field
$users = $dbw->selectField( 'user', 'COUNT(*)', array(), __METHOD__ );
$dbw->update( 'site_stats', array( 'ss_users' => $users ), array( 'ss_row_id' => 1 ), __METHOD__ );