Show sourcecode

The following files exists in this folder. Click to view.

webbsrvprg/exercises/

cookieses1.php
cookieses2.php
cookieses4.php
formquiz.php
formtest.php
hej.php
hejincl.php
index.php
klasser1.php
klasser2.php
klasser3.php
klasser5.php
loginses.php
logoutses.php
ovn_funk1.php
ovn_funk2.php
ovn_funk3.php
ovn_funk4.php
ovn_gr1.php
ovn_gr2.php
ovn_gr3for.php
ovn_gr3while.php
ovn_gr4.php
ovn_gr5.php
ovn_gr6.php
ovn_gr7.php
secretses.php
sida1.php
sida2.php
sida3.php
sidslut.php
sidstart.php
test.php

`cookieses4.php`

48 lines UTF-8 Windows (CRLF)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48


<?php

session_start();



if (!isset($_SESSION['tal_lista'])) {

    $_SESSION['tal_lista'] = array();

}



if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['nytt_tal'])) {

    $nyttTal = floatval($_POST['nytt_tal']);

    

    $lista = $_SESSION['tal_lista'];

    $lista[] = $nyttTal;

    $_SESSION['tal_lista'] = $lista;

}



$lista = $_SESSION['tal_lista'];

$antal = count($lista);

$medel = $antal > 0 ? array_sum($lista) / $antal : 0;

?>

<!DOCTYPE html>

<html lang="sv">

<head>

    <meta charset="UTF-8">

    <title>Uppgift 4 - Tal och medelvärde</title>

</head>

<body>

    <h1>Mata in tal</h1>

    <form method="post">

        <input type="number" step="any" name="nytt_tal" required>

        <button type="submit">Lägg till tal</button>

    </form>



    <h2>Inmatade tal:</h2>

    <ul>

        <?php foreach ($lista as $tal): ?>

            <li><?= $tal ?></li>

        <?php endforeach; ?>

    </ul>



    <p><strong>Antal tal:</strong> <?= $antal ?></p>

    <p><strong>Medelvärde:</strong> <?= round($medel, 2) ?></p>





    <form method="post" action="uppgift4_reset.php" style="margin-top: 20px;">

        <button type="submit">Rensa alla tal</button>

    </form>

</body>

</html>