Unlike other template systems, Savant by default does not compile your templates into PHP; instead, it uses PHP itself as its template language so you don't need to learn a new markup system.
Release Notes - 0.3.3
- Proxy array and ArrayObject objects through a new proxy class that supports all ArrayObject interfaces. [saltybeagle, gauthierm]
Package PEAR2_Templates_Savant API release notes for version 0.1.0.