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Mappar visas till vänster och filer till höger. Klicka på en fil eller mapp för att öppna nedan eller visa dess innehåll.
webbserverprogrammering/exercises/cookies_and_sessions/
7 filer
cookies_sessions_1.php
cookies_sessions_2.php
cookies_sessions_3.php
cookies_sessions_3_secret.php
cookies_sessions_4.php
cookies_sessions_5.php
cookies_sessions_5_mail.php
cookies_sessions_2.php
cookies_sessions_3.php
cookies_sessions_3_secret.php
cookies_sessions_4.php
cookies_sessions_5.php
cookies_sessions_5_mail.php
cookies_sessions_4.php
61 lines UTF-8 Windows (CRLF)
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<?php
error_reporting(-1); // Report all type of errors
ini_set('display_errors', 1); // Display all errors
ini_set('output_buffering', 0); // Do not buffer outputs, write directly
?>
<?php
session_start();
function returnAverage($array) {
if (count($array) < 1)
return 0;
return array_sum($array) / count($array);
}
if (!isset($_SESSION["numbers"]))
$_SESSION["numbers"] = [];
if (isset($_POST["number"]) && $_POST["number"] != "") {
$_SESSION["numbers"][] = $_POST["number"];
$average = returnAverage($_SESSION["numbers"]);
}
$average = returnAverage($_SESSION["numbers"]);
?>
<!DOCTYPE html>
<html lang="sv">
<head>
<title>Session 4</title>
<meta charset="utf-8">
<style type="text/css">
body {
font-family: Arial;
}
</style>
</head>
<body>
<h1>Medelvärde</h1>
<form method="post" action="">
<input type="number" name="number" placeholder="Mata in ett tal"><br>
<br>
<input type="submit" name="submitted" value="Medelvärde"><br><br>
<input type="submit" name="resetSession" value="Återställ session (dvs alla värden)"><br><br>
</form>
<?php
if (isset($_POST["resetSession"])) {
$average = 0;
$_SESSION["numbers"] = [];
}
echo isset($average) ? "<br>Medelvärde: $average" : "";
echo "<br><br>";
foreach($_SESSION["numbers"] as $number) {
echo "$number<br>";
}
?>
</body>
</html>