<?php
session_start();
if(isset($_GET['logout'])) {
    session_destroy();
    header('Location: login.php');
}
$server = 'localhost';
$user = 'root';
$password = 'heslo';
$db = 'test';
$conn = new mysqli($server, $user, $password, $db);
function jmeno() {
    $jmeno = $_SESSION['username'];
    echo $jmeno;
}

//isAdmin
$jmeno = NULL;
    if(!empty($_SESSION['username'])) {
        $jmeno = $_SESSION['username'];
    }
    $sql = "SELECT * FROM login WHERE username = '$jmeno'";
    $vysledek = $conn->query($sql);
    if($vysledek->num_rows > 0) {
        while($rows = $vysledek->fetch_assoc()) {
            $is_Admin = $rows['isAdmin'];
        }
        if($is_Admin == 0) {
        $is_Admin = 0;
        $_SESSION['admin'] = $is_Admin;
        $rank = 'Nezaregistrovaný';
         }
        if($is_Admin == 1) {
        $is_Admin = 1;
        $_SESSION['admin'] = $is_Admin;
        $rank = 'Hráč';
        }
        if($is_Admin == 2) {
        $is_Admin = 2;
        $_SESSION['admin'] = $is_Admin;
        $rank = 'Majitel';
        }
        if($is_Admin == 3) {
        $is_Admin = 3;
        $_SESSION['admin'] = $is_Admin;
        $rank = 'Admin';
         }
        if($is_Admin == 4) {
        $is_Admin = 4;
        $_SESSION['admin'] = $is_Admin;
        $rank = 'Helper';
        }
        if($is_Admin == 5) {
        $is_Admin = 5;
        $_SESSION['admin'] = $is_Admin;
        $rank = 'Moderator';
    }
}
?>