Force SSL on all pages

force-ssl-all-pages.php

<?php
/**
 * Force SSL on all pages
 *
 * @author Joshua David Nelson, joshuadnelson.com
 **/

add_action( 'template_redirect', 'jdn_force_ssl' );
function jdn_force_ssl() {
	// force all pages to https://
	if ( is_ssl() )
        	return;
        	
	header('HTTP/1.1 301 Moved Permanently');
	header("Location: https://" . $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"]);
	exit();
}