gistfile1.txt

function js_featured_products() {
	
	$input = range(1,30);
	$arr = array_rand($input, 4);
	
	// for debugging
	// delete_transient( 'xml_featured_products' );
	
	if ( false === ( $xml_featured_products = get_transient( 'xml_featured_products' ) ) ) {
	// It wasn't there, so regenerate the data and save the transient

	// 60 seconds * 60 minutes * 24 hours = 1 day refresh or 86400 seconds
	$refreshInterval = 86400; 

	$request_url = 'http://makershed.com/net/webservice.aspx?api_name=generic\featured_products';
	
	$simpleXmlElem = simplexml_load_file($request_url);
	
	$xml_featured_products = $simpleXmlElem->asXML();
	
	set_transient('xml_featured_products', $xml_featured_products, $refreshInterval );
	
	}

	$featured_products = simplexml_load_string($xml_featured_products);
	$products = $featured_products->Product;