MySQL DB Install

<?php
    //Config
        $servername = "localhost";
        $username = "root";
        $password = "";
    //End config

    if (isset ($_POST['ok'])) {
        // Create connection
        $conn = new mysqli($servername, $username, $password);

        // Check connection
        if ($conn->connect_error) {
            die("Connection failed: " . $conn->connect_error);
        }

        // Create database
        $sql =
        "
            CREATE DATABASE IF NOT EXISTS sitedb CHARACTER SET utf8 COLLATE utf8_hungarian_ci;

            CREATE TABLE users (
                `id` int(11) NOT NULL,
                `user` varchar(50) COLLATE utf8_hungarian_ci NOT NULL,
                `pass` varchar(50) COLLATE utf8_hungarian_ci NOT NULL,
                `email` varchar(50) COLLATE utf8_hungarian_ci NOT NULL,
                `rights` int(11) DEFAULT NULL
            ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_hungarian_ci;
        ";
        if ($conn->query($sql) === TRUE) {
            echo "Database created successfully!";
        } else {
            echo "Error creating database: " . $conn->error;
        }

    $conn->close();
    }
?>

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Setup</title>
    </head>

    <body>
        <p>
        <?php
            echo "<b>Current connection settings: </b><br>";
            echo "<b>host:</b> ";
            echo $servername;
            echo "<br>";

            echo "<b>username:</b> ";
            echo $username;
            echo "<br>";

            echo "<b>password:</b> ";
            echo $password;
            echo "<br>";
        ?>
        </p>
        <form method="POST" action="setup.php">
            <input type="submit" name="ok" value="Install" >
        </form>
    </body>

</html>