- 主页 [www.doctrine-project.org]
Tool for object-relational mapping in PHP
The Doctrine library sits on top of PDO and is itself divided into two main layers, the DBAL (which represents a complete database abstraction API) and the ORM (the bridge between the relational model and the object model / domain model).
One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernates HQL. This provides developers with a powerful alternative to SQL that maintains flexibility without requiring unnecessary code duplication.
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