Tree-like structures are omnipresent throughout the web. Whether in the plain URL of a website, as navigation-menu or for board- or chatlogs. Even XML represents a tree-like structure. So why not store data in such a construct? In the Java-World there is the JCR named ContentRepository which stores data in a tree-like structure. The JCR has been ported to PHP as PHPCR. Using the Doctrine-Wrapper PHPCR-ODM it can be integrated into applications without hassle. This talk will show how to effectively persist semi-structured content, dynamic routing or other hierarchically structured data.