我不知道我做错了但是我说我有这个.
formulario.php
<? session_start();
$_SESSION['promedio'] = $number;
echo '
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<html>
<meta content="text/html; charset=utf-8" http-equiv=Content-Type>
<body>
<form action="main3.php" method="post">
Número de Encuestas <input type="number" name="number">
<input type="submit" value="Enviar"/>
</form>
</body>
</html> ';
?>
现在,在main3.php中
<?
session_start();
$number = $_POST['number'];
$_SESSION['promedio'] = $number;
function Calcular($edades, $estado_civil, $genero){
global $number;
foreach($edades as $edad){}
echo "El promedio de edad general es: ".((array_sum($edades))/$number)."<br>";
$x;
$y;
$z;
$w;
$v;
$u;
$t;
foreach ($genero as $i) {
foreach ($i as …