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index.php
ovn_form1.php
ovn_form2.php
ovn_form3.php
ovn_form4.php
ovn_form5.php
ovn_form6.php
ovn_form7.php
ovn_form7res.php
ovn_form8.php
ovn_funk1.php
ovn_funk2.php
ovn_funk3.php
ovn_funk4.php
ovn_funk5.php
ovn_funk6.php
ovn_funk7.php
ovn_funk8.php
ovn_gr1.php
ovn_gr2.php
ovn_gr3.php
ovn_gr4.php
ovn_gr5.php
ovn_gr6.php
ovn_gr7.php
ovn_form8.php
35 lines UTF-8 Windows (CRLF)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Formulär 8</title>
</head>
<body>
<?php
$tal = $tal2 = $tal3 = "";
function medelVärde($tal1, $tal2, $tal3) {
return ($tal1 + $tal2 + $tal3)/3;
}
?>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
Skriv ett tal i varje ruta: <br>
Tal1: <input type="text" name="tal1" required> <br>
Tal2: <input type="text" name="tal2" required> <br>
Tal3: <input type="text" name="tal3" required> <br>
<input type="submit" value="Beräkna">
</form>
<br>
<?php
if ( isset($_POST["tal1"]) && isset($_POST["tal2"]) && isset($_POST["tal3"]) ) {
echo "Medelvärde: ". medelVärde($_POST["tal1"], $_POST["tal2"], $_POST["tal3"]);
}
?>
</body>
</html>