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.

What is the main advantage of using ORM over direct SQL queries?

• It allows for faster database queries.

• It provides a bidirectional relationship between the database and application.

• It reduces the need for database backups.

• It automatically scales the database.

Which file needs to be modified to add libraries for enabling ORM?

• database.php

• app.php

• config.php

• composer.json

What is the purpose of the YAML file in the ORM setup?

• To store database credentials.

• To describe the structure of entities.

• To configure the web server.

• To manage user sessions.

Which command is used to generate entity classes in Doctrine?

• doctrine:generate:tables

• doctrine:generate:entities

• doctrine:create:entity

• doctrine:build:class

What is the role of the CLI config file in Doctrine?

• To configure the database connection.

• To configure the command line interface with application settings.

• To manage user authentication.

• To set up the web server.