class database{

public $dbHost = '';
public $dbUser = '';
public $dbPass = '';
public $dbName = '';

public $db;

public function __construct(){}

public function dbConnect(){
    $mysqli = new mysqli($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName);

    /* check connection */
    if (mysqli_connect_errno()){
        printf("Connect failed: %s\n", mysqli_connect_error());
        exit();
    }else{
        echo 'connection made';
    }
    /* close connection */
    $mysqli->close();
}

public function query($sql){
    $query = $sql;
    self::preparedStatement($query);
}

public function preparedStatement(){
    if ($stmt = $mysqli->prepare($query)){

        /* execute statement */
        $stmt->execute();

        /* bind result variables */
        $stmt->bind_result($name, $code);

        /* fetch values */
        while ($stmt->fetch()) {
            printf ("%s (%s)\n", $name, $code);
        }

        /* close statement */
        $stmt->close();
    }
}

public function __destruct(){}

}