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webbserverprogrammering/exercises/form_uppgift/
form_uppgift2.php
form_uppgift3.php
form_uppgift5.php
form_uppgift6.php
hash.php
form_uppgift3.php
225 lines UTF-8 Windows (CRLF)
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<?php
// show all error reporting
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
session_start();
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Uppgift 3</title>
<style>
.flex {
display: flex;
align-items: center;
}
</style>
</head>
<body>
<?php
if (!isset($_SESSION["curr_q"])) {
$_SESSION["curr_q"] = 0;
}
$curr_q = $_SESSION["curr_q"];
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (!empty($_POST['q' . $_SESSION["curr_q"]])) {
$_SESSION["curr_q"]++;
} else if ($curr_q === 4) {
$_SESSION['curr_q']++;
}
$curr_q = $_SESSION["curr_q"];
if ($curr_q === 5) {
$_SESSION["curr_q"] = 0;
}
if ($curr_q > 3) {
?>
Ditt namn är <?php echo $_POST["q0"]; ?>.
<?php
if (isset($_POST["q0"]) && isset($_POST["q1"]) && isset($_POST["q2"]) && isset($_POST["q3"])) {
$correct_answers = 0;
if ($_POST["q1"] == '517') {
$correct_answers++;
}
if ($_POST["q2"] == 'Ja') {
$correct_answers++;
}
if ($_POST["q3"] == 'Kanske') {
$correct_answers++;
}
?>
Du fick <?php echo $correct_answers; ?> rätt.
<?php
}
}
}
$curr_q = $_SESSION["curr_q"];
?>
<form action="" method="post">
<input type="hidden" value="<?php echo $_POST["curr_q"] ?? 0; ?>" name="curr_q">
<?php
if ($curr_q === 0) {
?>
<label for="name">Namn:</label>
<input type="text" id="q0" name="q0" required>
<?php
} else {
?>
<input type="hidden" name="q0" id="q0" value="<?php echo $_POST["q0"] ?? ""; ?>">
<?php
}
if ($curr_q > 0 && $curr_q < 4) {
?>
<fieldset>
<legend>Frågor</legend>
<?php
}
?>
<?php
if ($curr_q === 1) {
?>
<div class="flex">
<label for="q1">Hur mycket väger Helge? (<span id="a1"></span> kg)</label>
<input type="range" name="q1" id="q1" min="100" max="999" required>
</div>
<?php
} else {
?>
<input type="hidden" value="<?php echo $_POST["q1"] ?? 100; ?>" name="q1" id="q1">
<?php
}
if ($curr_q === 2) {
?>
<div>
Är Helge en älg?
<div>
<input type="radio" name="q2" id="q2:1" value="Ja" required>
<label for="q2:1">Ja</label>
<input type="radio" name="q2" id="q2:2" value="Nej">
<label for="q2:2">Nej</label>
<input type="radio" name="q2" id="q2:3" value="Kanske">
<label for="q2:3">Kanske</label>
<input type="radio" name="q2" id="q2:4" value="Jag vet inte">
<label for="q2:4">Jag vet inte</label>
</div>
</div>
<?php
} else {
?>
<input type="hidden" name="q2" id="q2" value="<?php echo $_POST["q2"] ?? ""; ?>">
<?php
}
if ($curr_q === 3) {
?>
<div>
Är Per en helg?
<div>
<input type="radio" name="q3" id="q3:1" value="Ja" required>
<label for="q3:1">Ja</label>
<input type="radio" name="q3" id="q3:2" value="Nej">
<label for="q3:2">Nej</label>
<input type="radio" name="q3" id="q3:3" value="Kanske">
<label for="q3:3">Kanske</label>
<input type="radio" name="q3" id="q3:4" value="Jag vet inte">
<label for="q3:4">Jag vet inte</label>
</div>
</div>
<?php
} else {
?>
<input type="hidden" name="q3" id="q3" value="<?php echo $_POST["q3"] ?? ""; ?>">
<?php
}
if ($curr_q > 0 && $curr_q < 4) {
?>
</fieldset>
<?php
}
?>
<?php
if ($curr_q < 3) {
?>
<button type="submit">Nästa fråga</button>
<?php
} else if ($curr_q === 4) {
?>
<button type="submit">Nollställ</button>
<?php
} else {
?>
<button type="submit">Skicka svar</button>
<?php
}
?>
</form>
<script>
const q1 = document.getElementById('q1');
const a1 = document.getElementById('a1');
q1.addEventListener('input', () => {
updateAnswerDisplay();
});
updateAnswerDisplay()
function updateAnswerDisplay() {
a1.innerText = q1.value;
}
</script>
</body>
</html>