Doctrine Query Language

DQL stands for Doctrine Query Language and is an Object Query Language derivate that is very similar to the Hibernate Query Language (HQL) or the Java Persistence Query Language (JPQL).

Wzorzec projektowy Proxy (pośrednik)

Proxy jest przydatnym wzorcem projektowym, który umożliwia dodanie pewnych dodatkowych zachowań do jakiegoś obiektu w sposób transparentny.

Doctrine Listeners

We’ve done a lot of work so its time to see one of the most powerful features of Doctrine: events. Using an ORM gives us the flexibility to have hooks that are executed whenever certain things are done, like when an entity is first persisted to the database, updated, or deleted.