Quick start on Zend Framework 2

A quick start on
Zend Framework 2
by Enrico Zimuel (enrico@zend.com)

Senior Software Engineer
Zend Framework Core Team
Zend Technologies Ltd

© All rights reserved. Zend Technologies, Inc.

About me

• Enrico Zimuel (@ezimuel)
• Software Engineer since 1996
– Assembly x86, C/C++, Java, Perl, PHP
• PHP Engineer at Zend Technologies in
@ezimuel the Zend Framework Team
enrico@zend.com • International speaker on PHP and
computer security topics
www.zimuel.it
• Researcher programmer at
Informatics Institute of University
of Amsterdam
• Co-founder of the PUG Torino (Italy)


ZF2 in a slide

● New architecture
▶ MVC, Di, Events, Service, Module
● Better performance
● Requirement: PHP 5.3.3
● No more CLA (Contributor License Agreement)
● Git (GitHub) instead of SVN
● Packaging system
▶ pyrus, composer


A new core

● The ZF1 way:
▶ Singleton, Registry, and
Hard-Coded
Dependencies
● The ZF2 approach:
▶ Aspect Oriented Design
and Dependency
Injection


MVC is event driven

● Everything is an event

bootstrap route dispatch

Listeners


Releases

● ZF2.0.0beta4
● Goal:
▶ beta5 at the end of June
▶ ZF 2.0 RC this summer!!!


Quick start
Zend Skeleton Application


Zend Skeleton Application

● A simple, skeleton application using the new MVC
layer and the module system
● How to install:
$ cd my/project/dir
$ git clone git://github.com/zendframework/ZendSkeletonApplication.git
$ cd ZendSkeletonApplication
$ php composer.phar install


Output


Folder's tree

config
data
module
public
vendor


Config folder

config
autoload
application.config.php
data
module
public
vendor


Data folder

config
data
cache
module
public
vendor


Module folder
module
Application Name of the module
config
module.config.php
src
Application
Controller
IndexController.php
view
application
index
index.phtml
error
layout
Module.php


Public folder

public
images
js
css
.htaccess
index.php


Vendor folder

config
data
module
public
vendor
zendframework


configuration


/config/application.config.php


public folder


public/.htaccess

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} -s [OR]
RewriteCond %{REQUEST_FILENAME} -l [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^.*$ - [NC,L]
RewriteRule ^.*$ index.php [NC,L]


public/index.php


ZendServiceManager

● The ServiceManager is a Service Locator
implementation
● A Service Locator is a well-known object in
which you may register objects (more in
general services) and later retrieve them
● Driven by configuration


Types of Services

● Explicit (name => object pairs)
● Invokables (name => class to instantiate)
● Factories (name => callable returning object)
● Aliases (name => some other name)
● Abstract Factories (unknown services)
● Scoped Containers (limit what can be created)
● Shared (or not; you decide)


module


Modules by default

A module is all related code and assets
that solve a specific problem.
Modules inform the MVC about services
and event listeners


Modules for ZF2

● The basic unit in a ZF2 application
is a Module
● Modules are “Plug and play” technology
● Modules are simple:
▶ A namespace
▶ Containing a single classfile: Module.php


Develop Modules

● Modules contain all logic related to a
discrete application problem.
▶ Controllers
▶ Entities
▶ Plugins
▶ Etc.
● 99% of the time, you will write modules


moduleApplicationModule.php


/module/Application/config/module.config.php
(routing part)


(controller part)


(view)


/module/Application/src/Application/
Controller/IndexController.php

Passing array() of variables to the view


Packaging system


Pyrus

● http://packages.zendframework.com/
● Download or use pyrus, a PEAR2 installer
● Pyrus packages:
▶ Pyrus setup
▶ wget http://packages.zendframework.com/pyrus.phar
▶ pyrus.phar .
▶ pyrus.phar . channeldiscover packages.zendframework.com

▶ Install a Zend_<component>
▶ pyrus.phar . install zf2/Zend_<component>


Composer

● New package management and distribution
tool
● http://packagist.org/
● http://getcomposer.org/


composer.json


From ZF1 to ZF2


From ZF1 to ZF2

● Goal: migrate without rewriting much code!
● Main steps
▶ Namespace: Zend_Foo => ZendFoo
▶ Autoloading: 3 options
▶ MVC: module, event based, dispatchable
▶ DB: new ZendDb
▶ Form: new ZendForm
● Can run in parallel (instant migration!)


Conclusion:
ZF2 rocks!


Why ZF2 rocks!

● Based on solid architecture principles
● Very fast (focused on optimization)
● Open architecture (event driven)
● Support of modules (reuse of the code)
● Driven by the community
(100% open source)
● Completed tested (PHPUnit, Travis CI)
● Packages (pyrus, composer)


We want you!

● How to contribute:
▶ Write code
▶ Documentation
▶ Testing
▶ Feedbacks/comments

https://github.com/zendframework/zf2


Helping out

● http://framework.zend.com/zf2
● http://github.com/zendframework
● https://github.com/zendframework/ZendSkeletonApplication
● Getting Started with Zend Framework 2
by Rob Allen, http://www.akrabat.com
● Weekly IRC meetings (#zf2-meeting on
Freenode)
● #zftalk.2 on Freenode IRC


Thank you!

● Comment this talk at:
▶ https://joind.in/6237
● Direct contact:
▶ enrico@zend.com
▶ @ezimuel


Quick start on Zend Framework 2

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