$cfg['Servers'][$i]['host'] = 'localhost';

C:xammpphpMyAdmin config.inc

/* User for advanced features*/
$cfg['servers'] ['controlluser'] = 'pma';    $cfg['servers'] ['controllpass'] = '';

if (! empty($cfg['Server']['controlhost'])
            || ! empty($cfg['Server']['controlport'])

/etc/dbconfig-common/phpmyadmin.conf

## database access settings in php format
## automatically generated from /etc/dbconfig-common/phpmyadmin.conf
## by /usr/sbin/dbconfig-generate-include

/etc/phpmyadmin/config-db.php

$dbuser='root';
$dbpass='password'; // set current password between quotes ' '
$basepath='';
$dbname='phpmyadmin';
$dbserver='';
$dbport='';
$dbtype='mysql';