php
class shop {
function connect() {
$ots = POT::getInstance();
$ots->connect(POT::DB_MYSQL, connection());
return $ots->getDBHandle();
}
function isInstalled() {
require('config.php');
$con = mysqli_connect($config['database']['host'], $config['database']['login'], $config['database']['password']);
mysql_select_db($config['database']['database'],$con);
if(mysql_query("SELECT * FROM shop_offer,shop_history"))
ja tentou colocar o nome da database no lugar desses 2?