(PCC)::[how-to-accept-value-from-user-and-perform-subtraction-of-two-numbers-in-php]::[php]
<html>
<body>
<form method="post">
Enter First Number:
<input type="number" name="number1" /><br><br>
Enter Second Number:
<input type="number" name="number2" /><br><br>
<input type="submit" name="submit" value="Sub">
</form>
<?php
if(isset($_POST['submit']))
{
$number1 = $_POST['number1'];
$number2 = $_POST['number2'];
$sub = $number1-$number2;
echo "The sub of $number1 and $number2 is: ".$sub;
}
?>
</body>
</html>