H2o is template engine for PHP, there are a lot of the concept are inspired by projects like Django templates, Smarty and Jinja, implemented in a way that makes sense in PHP. Author your template the easy way ... 1. Readable and natural syntax. 2. Reuse template inclusion and inheritance. 3. Extensible through filters, tags and template extensions. 4. Battery included - bundled rich set of filters and tags 5. Internationalization 6. Various Caching support with multiple backend