Marketing is often referred to black magic. Looks like within the PHP Community some coders know how to deal properly with it when you see this list of adjectives for the Twig template language (isn’t that a template engine?):
Twig, the flexible, fast, and secure template language for PHP
So it’s flexible, fast and secure. And a language! What do you want more? I think it’s worth a link. At least I would consider that one a replacement for Smarty. Catch it if you can. I wonder if this might work with wordpress themes. Would be fun to find out.