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index.php
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<?php
session_name('encuesta');
session_start();
$error = false;
if (isset($_POST['votar'])) {
if(!isset($_SESSION["encuestas"])) {
$_SESSION['encuestas'] = 0;
$_SESSION['suma1'] = 0;
$_SESSION['suma2'] = 0;
$_SESSION['suma3'] = 0;
$_SESSION['suma4'] = 0;
$_SESSION['suma5'] = 0;
}
if (isset($_POST['pr1']) && isset($_POST['pr2']) &&
isset($_POST['pr3']) && isset($_POST['pr4']) &&
isset($_POST['pr5'])) {
$_SESSION['suma1'] += $_POST["pr1"];
$_SESSION['suma2'] += $_POST["pr2"];
$_SESSION['suma3'] += $_POST["pr3"];
$_SESSION['suma4'] += $_POST["pr4"];
$_SESSION['suma5'] += $_POST["pr5"];
} else {
$error = true;
}
$_SESSION['encuestas']++;
header('Location: gracias.php', true, 302);
}
?>
<!doctype html>
<html lang="es" xmlns="http://www.w3.org/1999/html">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Encuesta</title>
</head>
<body>
<h1>Enceuesta de HLC</h1>
<?php
if ($error) {
echo '<h1>Cumplimente todas las encuestas, por favor.</h1>';
}
?>
<form method="post" action="index.php">
<?php
$valores = [
1 => 'Nada',
2 => 'Poco',
3 => 'Regular',
4 => 'Mucho',
5 => 'Todo'
];
$id = 100;
for ($pregunta = 1; $pregunta <= 5; $pregunta++) {
echo "Pregunta $pregunta";
foreach ($valores as $valor => $texto) {
echo "<input type='radio' id='id$id' name='pr$pregunta' value='$valor' /><label for='id$id'>$texto</label>";
$id++;
}
echo "<br/>";
}
?>
<button type="submit" name="votar">Votar</button>
</form>
</body>
</html>