goatoh_training_server/db_connection.php

<?php

$config = include ('./config.php');

$db_host = $config['host'];
$db_port = $config['port'];
$db_user = $config['user'];
$db_pass = $config['pass'];

$__db_connection = new mysqli ($db_host, $db_user, $db_pass, 'goatoh_training',
                               $db_port);
$__db_connection -> set_charset ('utf8');

unset ($config);
unset ($db_host);
unset ($db_port);
unset ($db_user);
unset ($db_pass);