Show sourcecode

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

webbsrvprg/exercises/ovning7/

dininloggningssida.php
index.html
ovn_cook1.php
ovn_cook2.php
ovn_cook3.php
ovn_cook4.php
ovn_cook5.php

`ovn_cook4.php`

64 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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64


 <!DOCTYPE html>

 <html lang="en">



 <head>

     <meta charset="UTF-8">

     <meta name="viewport" content="width=device-width, initial-scale=1.0">

     <title>Document</title>

 </head>



 <body>

     <form method="post" action="">

         <input type="number" name="tal"><br>

         <br>

         <input type="submit" name="Submit">

     </form>

     <form action="" method="post">

         <input type="hidden" name="destroy" value="1">

         <input type="submit" name="Destroy" value="Destroy">

     </form>

 <?php



    session_start();



    if (isset($_POST['destroy'])) {

        $_SESSION = array();



        if (ini_get("session.use_cookies")) {

            $params = session_get_cookie_params();

            setcookie(

                session_name(),

                '',

                time() - 42000,

                $params["path"],

                $params["domain"],

                $params["secure"],

                $params["httponly"]

            );

        }



        session_destroy();

    }



    if (isset($_SESSION['visningar'])) {

        $_SESSION['visningar']++;

    } else {

        $_SESSION['visningar'] = 1;

    }



    if (isset($_POST['tal']) && !empty($_POST['tal'])) {

        $talsumma = 0;

        $_SESSION['allanummer'][] = $_POST['tal'];

        echo "Tal: <br>";

        for ($i = 0; $i < count($_SESSION['allanummer']); $i++) {

            echo $_SESSION['allanummer'][$i] . "<br>";

            $talsumma += $_SESSION['allanummer'][$i];

        }

        echo "<br> Medelvärde: ". $talsumma/$_SESSION['visningar'];

    }





    ?>

 </body>



 </html>