TYPO3 Flow - PHP Framework for Developer Happiness

PHP Framework For Developer Happiness
TYPO3 Flow
Dienstag, 28. Mai 13

Not Safe For
Code Allergic

...but probably
understandable

PHP Application
Framework

PHP Application
Framework
Web

Flow is an optimal state in which
you feel totally engaged in an
activity.
Mihaly Csikszentmihalyi

Main Concerns
‣ Developer Happiness
‣ Code Quality
‣ Domain Driven Design
‣ Convention Over Configuration

Laravel
ZendFramework
CodeIgniter
Symfony2

Why another
framework?

How it began

How it began
‣ 2005 - Rewrite TYPO3 CMS Core

How it began
‣ 2006 - Start from scratch
No Framework provided everything

How it began
‣ ... continuous team growth

How it began
‣ ... continuous team growth
‣ 2011 - Release of Flow 1.0

PHP Good Points

Most Used Web
Language

Easy To Learn

Available On Many
Servers

PHP Drawbacks

Bad Reputation
Many “spaghetti code” projects

Considered Ugly

Language Features

Patterns &
Philosophy

We are biased!

Domain Driven
Design
as explained by Eric Evans

DDD in a nutshell

DDD in a nutshell
‣ Domain

DDD in a nutshell
‣ Domain
‣ Ubiquitous Language

DDD in a nutshell
‣ Domain
‣ Model

DDD in a nutshell
‣ Domain
‣ Model
‣ Aggregate Root and Repositories

(Web) MVC
Model-View-Controller

Model
Controller
View
(HTTP) Request(HTTP) Response

Convention Over
Configuration

Typical file structure
Vendor.PackageName
Classes
...
Controller
Domain
Model
Repository
Configuration
Documentation
Migrations
Resources
Private
Public
Tests

Dependency
Injection

DI made simple
class ActionController extends AbstractController {
/**
* @FlowInject
* @var TYPO3FlowObjectObjectManagerInterface
*/
protected $objectManager;
/**
* @FlowInject
* @var TYPO3FlowReflectionReflectionService
*/
protected $reflectionService;

Signal / Slot
Also called Observer Pattern

Emit / Connect

Aspect Oriented
Programming

Separation Of Concerns

Proxy Classes

Making PHP
Code Beautiful

Property Mapping

Get useful arguments
/**
* Action for creating a temporary account
*
* @param TYPO3TestDomainModelRegistration $reg
* @return void
*/
public function accountAction( ↵
TYPO3TestDomainModelRegistration $reg) {
$accountIdentifier = $reg->getUsername();

ORM
Object Relational Mapping

Database Abstraction

Migrations

Authentication
Who are you?

Authorization
What are you allowed to do?

Content Security
Query Rewriting

Touchless Security
resources:
methods:
BackendController: ↵
'method(FullNameSpaceBackendController->.*Action())'
AdminController: ↵
'method(FullNameSpaceAdminController->.*Action())'
roles:
Editor: [TYPO3.TYPO3CR:Administrator]
Administrator: [ Editor ]
acls:
Administrator:
methods:
AdminController: GRANT
Editor:
methods:
BackendController: GRANT

Application Firewall
Stop Requests

Command Line

Framework commands

Add your own commands

XML Conform
Templates

Basic strings
public function simpleAction() {
$name = ‘Christian’;
$this->view->assign(‘name’, $name);
}

Basic strings
<html>
<head>
</head>
<body>
<p>Hello World, I am {name}!</p>
</body>
</html>

Objects
public function simpleAction() {
$accounts = $this->accountRepository->findAll();
$this->view->assign(‘accounts’, $accounts);
}

Objects / Iteration
<html>
<head>
</head>
<body>
<ul>
<f:for each=”{accounts}” as=”account”>
<li>{account.identifier}</li>
</f:for>
</ul>
</body>
</html>

Session Scope
/**
*
* @FlowScope("session")
*/
class Basket {
/**
*
* @var array
*/
protected $items;
/**
* @return array
*/
public function getItems() {
return $this->items;
}

Using the Session Object
class MyController {
/**
*
* @FlowInject
* @var TYPO3FlowSessionSessionInterface
*/
protected $session
public function storeDataAction($data) {
$this->session->putData(‘myDataKey’, $data);
}
public function getDataAction() {
$data = $this->session->getData(‘myDataKey’);
$this->view->assign(‘sessionData’, $data);
}
}

Standards

PHP-FIG
Framework Interoperability Group

PSR-0
Autoloading

PSR-1
Coding Standards

Test Driven
Development

More To Discover

No time in this talk had...
‣ Internationalization
‣ Caching
‣ Resource Handling
‣ Validation
‣ Routing
‣ ...

Existing Projects

And a lot more...

@daskitsunet
‣ like Books, Music, Tea and more
‣ Flow and Neos Community Contact
‣ Freelance Trainer / Developer
‣ plays the piano
‣ christian@kitsunet.de

Thank you!

TYPO3 Flow - PHP Framework for Developer Happiness

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