threePlusFive.php
Source of threePlusFive.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html lang="EN" dir="ltr" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Three Plus Five</title>
</head>
<body>
<h1>Three Plus Five</h1>
<h3>Demonstrates use of numeric variables</h3>
<?php
$x = 3;
$y = 5;
$sum = $x + $y;
$dif = $x - $y;
$prod = $x * $y;
$quotient = $x / $y;
print <<< HERE
<p>$x + $y = $sum</p>
<p>$x - $y = $dif</p>
<p>$x * $y = $prod</p>
<p>$x / $y = $quotient</p>
HERE;
?>
</body>
</html>