<?php
class JConfig {
    public $dbtype = 'mysqli';
    public $host = 'localhost';
    public $user = 'xxxx';
    public $password = 'xxxx';
    public $db = 'xxxx';
    public $dbprefix = 'xxxx_';
}

<?php

include("configuration.php");

// Create connection
$conn = mysqli_connect($host, $user, $password, $db);
// Check connection
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

$sql = "SELECT id, navn, email FROM XXXX";
$result = mysqli_query($conn, $sql);

if (mysqli_num_rows($result) > 0) {
    // output data of each row
    while($row = mysqli_fetch_assoc($result)) {
        echo "id: " . $row["id"]. " - Name: " . $row["navn"]. " " . $row["email"]. "<br>";
    }
} else {
    echo "0 results";
}

mysqli_close($conn);
?>

public $dbtype = 'mysqli';
  public $host = 'localhost';
  public $user = 'xxxx';
  public $password = 'xxxx';
  public $db = 'xxxx';
  public $dbprefix = 'xxxx_';