$host = 'localhost';
$db   = 'produktu_katalogas';
$user = 'web-training.lt';
$pass = '';
$charset = 'utf8mb4';

$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$opt = [
    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    PDO::ATTR_EMULATE_PREPARES   => false,
];

try {
    $pdo = new PDO($dsn, $user, $pass, $opt);
} catch (Exception $e) {
    echo "Negaliu prisijungti prie DB";
    //echo $e->getMessage();
    exit;
}