Source of checkDemo.php
<html>
<head>
<title>Checkbox Demo</title>
</head>
<body>
<h3>Demonstrates reading checkboxes</h3>
<?
print <<<HERE
chkFries: $chkFries <br>
chkSoda: $chkSoda <br>
chkShake: $chkShake <br>
chkKetchup: $chkKetchup <br>
<hr>
HERE;
$total = 0;
if (!empty($chkFries)){
print ("You chose Fries <br> \n");
$total = $total + $chkFries;
} // end if
if (!empty($chkSoda)){
print ("You chose Soda <br> \n");
$total = $total + $chkSoda;
} // end if
if (!empty($chkShake)){
print ("You chose Shake <br> \n");
$total = $total + $chkShake;
} // end if
if (!empty($chkKetchup)){
print ("You chose Ketchup <br> \n");
$total = $total + $chkKetchup;
} // end if
print "The total cost is \$$total \n";
?>
</body>
</html>