I've got a shortcode call in php for wordpress and I'm trying to pass a variable but it's not working..what am I missing? <?php echo do_shortcode('[snap url=http://www.page1webmarketing.com alt="My description" w="200" h="300"]'); ?> <----that works fine, but I've got a variable already set to http://www.page1webmarketing.com called $hh and this doesn't work... <?php echo do_shortcode('[snap url=$hh alt="My description" w="200" h="300"]'); ?> Can someone help my syntax?