PHP - necesito editar un php es para un calculador..me puedn ayudar?

function getPriceCalculator2( $atts ){

	global $post;

	global $current_user;

      get_currentuserinfo();

	$user_email = '';

	$user_email = $current_user->user_email;

	$user_roles = $current_user->roles;

	require("select_values.php");

	#the left side of each of these arrays will need to match the parameters that the javascript looks for.  The right side is only for the html display.  0 is the default for an error check to occur.