Kód:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="generator" content="PSPad editor, www.pspad.com">
<title></title>
</head>
<body>
<form action="stranka.php" method="get">
Prve: <input type="number" name="prvy">
Druhe: <input type="number" name="druhy">
<input type="submit">
<br>
</form>
<?php
$vysledok = $_GET["prvy"] * $_GET["druhy"];
if($_GET["prvy"] == "" || $_GET["druhy"]== ""){
echo "zadaj hodnotu";}
else {
echo $vysledok;
}
?>
</body>
</html>
funguje to uplne normalne, ale vzdy ked pouzivam tieto funkcie, tak mi ukazuje sql errory..
tzw. Notice: Undefined index: prvy in C:\wamp64\www\cc\stranka.php on line 17
diky za pomoc
