<html>

<!-- This is a simple PHP script that displays the color of the submitted

red, green and blue values. -->

<head>

<title>Server Demo</title>

</head>

<?php

// get the values from the URL

$red = $_GET["red"];

$green = $_GET["green"];

$blue = $_GET["blue"];

// specify the color style based on the submitted red, green and blue values

// Note: the period (".") does string concatenation

$color = "rgb(" . $red . "," . $green . "," . $blue . ")";

<body>

<h1 style="text-align:center">Color Demo</h1>

<strong>Green: <?php print($green); ?></strong><br />

<?php

print("<p style='color:" . $color . "'>");

<strong>Sample Text</strong>

</p>

</div>

</body>

</html>