Something

// php code withing the same page<?phpif (!$_REQUEST['submit']) { 		$results = ""; } else {		switch ($_REQUEST['storage']) {		case 500:			$price = 1.00;			$space = '500 MB';		break;		case 1:			$price = 2.00;			$space = '1 GIG';		break;		case 2:			$price = 3.00;			$space = '2 GIG';		break;		case 3:			$price = 4.00;			$space = '3 GIG';		break;		case 4:			$price = 5.00;			$space = '4 GIG';		break;		case 5:			$price = 6.00;			$space = '5 GIG';		break;		case 10:			$price = 10.00;			$space = '10 GIG';		break;		case 20:			$price = 15.00;			$space = '20 GIG';		break;		case 50:			$price = 20.00;			$space = '50 GIG';		break;	}}?>// form that calls the php code<form action="<?php echo $PHP_SELF; ?>" method="post">		<select name="storage">		<option value="500" selected="selected">500 MB</option>		<option value="1">1 GIG</option>		<option value="2">2 GIG</option>		<option value="3">3 GIG</option>		<option value="4">4 GIG</option>		<option value="5">5 GIG</option>		<option value="10">10 GIG</option>		<option value="20">20 GIG</option>		<option value="50">50 GIG</option>		</select>		</form>// should echo the results based on the variables set by the form	<?php 	echo "<b>Storage:</b> {$_REQUEST['space']} <b>Total Price:</b> {$_REQUEST['price']}";	?>// returns in boldStorage: Total Price: