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Persistence in PHP with Doctrine ORM

You're reading from   Persistence in PHP with Doctrine ORM This book is designed for PHP developers and architects who want to modernize their skills through better understanding of Persistence and ORM. You'll learn through explanations and code samples, all tied to the full development of a web application.

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Product type Book
Published in Dec 2013
Publisher Packt
ISBN-13 9781782164104
Pages 114 pages
Edition 1st Edition
Languages
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Author (1):
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Kevin Dunglas Kevin Dunglas
Author Profile Icon Kevin Dunglas
Kevin Dunglas
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Toc

Chapter 2. Entities and Mapping Information

In the previous chapter, we discovered the concepts behind Doctrine, we learned how to use Composer to install it, we set up the Doctrine Command Line Tools and we dived into the Entity Manager.

In this chapter, we will cover the following topics:

  • Creating our first entity class

  • Mapping it to its related database table and columns with annotations

  • Using a command helper provided by Doctrine to automatically generate the database schema

  • Creating some fixtures data and dealing with the Entity Manager to display our data in a web user interface

Because we are building a blog, our main entity class will be called Post, as shown in the following figure:

Our Post entity class has the following four properties:

  • id: The unique identifier of the post across the database table (and the blog)

  • title: The post's title

  • body: The post's body

  • publicationDate: The date of publication of the post

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