Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases now! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
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.

Arrow left icon
Product type Book
Published in Dec 2013
Publisher Packt
ISBN-13 9781782164104
Pages 114 pages
Edition 1st Edition
Languages
Arrow right icon
Author (1):
Arrow left icon
Kevin Dunglas Kevin Dunglas
Author Profile Icon Kevin Dunglas
Kevin Dunglas
Arrow right icon
View More author details
Toc

Getting started with events


The Doctrine Common component comes with a built-in event system. It allows dispatching and subscribing to custom events, but its main purpose is to manage entity-related events.

In Chapter 1, Getting Started with Doctrine 2, we learned about entity managers, entity states, and Unit Of Work. Entity Managers (and their underlying UnitOfWork objects) dispatch events when the state of the entity changes and when data is stored, updated, and removed from the database. They are called lifecycle events.

Note

Doctrine also emits some events not directly related to the entity lifecycle.

Doctrine ORM provides the following bunch of lifecycle events:

  • preRemove: This event occurs when the state of the entity is set to removed

  • postRemove: This event occurs after the removal of an entity's data from the database

  • prePersist: This event occurs when the state of the entity passes from new to managed

  • postPersist: This event occurs after the INSERT SQL query has been executed

  • preUpdate...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime