Learning PHP 7 (Video 19)

This video tutorial introduces Doctrine, a set of PHP libraries for database storage and object mapping. It explains the concept of Object-Relational Mapping (ORM) and its advantages, such as creating bidirectional relations between databases and applications. The tutorial guides viewers through setting up Doctrine in a project, mapping entities using YAML, and using the Doctrine command line interface for database schema management. The video emphasizes the power of Doctrine in handling database interactions efficiently.

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