<html>
<head>
<title>Identify two numbers if Odd or Even</title>
</head>
<body>
Enter two numbers<br>
<form method="GET" name="formNew" action="GradeForm.php">
number 1 <input type="text" name="num1"><br>
number 2 <input type="text" name="num2"><br>
<input type="submit" name="btnAdd" value="Identify now">
</form>
<?php
$n1= $_GET['num1'];
$n2= $_GET['num2'];
if ($n1%2 == 0 and $n2%2 == 0)
{
echo "".$n1. " and " .$n2;
echo "All numbers are even numbers";
}
else if ($n1%2 == 0 and $n2%1 == 0)
{
echo "".$n1. " and " .$n2;
echo "First number is even, Second number is odd";
}
else if ($n1%1 == 0 and $n2%2 == 0)
{
echo "".$n1. " and " .$n2;
echo "First number is odd, Second number is even";
}
else if ($n1%1 == 0 and $n2%1 == 0)
{
echo "".$n1. " and " .$n2;
echo "All numbers are odd numbers";
}
?>
</body>
</html>
Undefined index. i checked it already but i don't know what's wrong.
Notice: Undefined index: num1 in C:\xampp\htdocs\GradeForm.php on line 16
Notice: Undefined index: num2 in C:\xampp\htdocs\GradeForm.php on line 17
