This document summarizes the London Yii Meetup event which will include an overview of Yii 2.0 by Cass Surek and a presentation from Yii 2.0 core developers Alex Makarov and Sam Dark. Key changes in Yii 2.0 include namespaces, components, events, assets, helpers, forms, querying, models and more. Yii 2.0 is based on PHP 5.4, uses namespaces, and requires installation via Composer.

1. Welcome to the
London Yii Meetup
Hosted by Cass Surek and Matteo Pescarin – monthly meetings
http://www.meetup.com/London-Yii-Framework-Group/

2. Venue, beer and snacks kindly provided by
www.digitalannexe.co.uk

3. Tonight
Yii 2.0 overview – Part 2 – Cass
Yii 2.0 Core Developer – Alex Makarov/Sam Dark

4. Yii 2.0
Current version 2.0.0 alpha
Based on PHP 5.4.0
Incompatible with 1.1
Not yet ready for production
Application templates (basic and advanced)
Installation via Composer

5. Major changes
Namespaces
Component and Objects
Events
Path Alias
View Class
Models
Controllers
Widgets
Console Applications
i18N
Action Filters
Assets
Static Helpers
ActiveForm
Query Builder
ActiveRecord
Auto-quoting table and
column names
User and
identityInterface
URL Management
Themes
Composer integration

6. Assets
• Asset bundles
• yiiwebAssetBundle::register()

7. Static Helpers
•
•
•
•
•
•
yiihelpersHtml|Html
yiihelpersArrayHelper|ArrayHelper
yiihelpersStringHelper|StringHelper
yiihelpersFileHelper|FileHelper
yiihelpersJson|Json
yiihelpersSecurity|Security

8. ActiveForm
• Field: label, input, error message and hint text

9. Query Builder
• CDbCommand, CDbCriteria,
CDbCommandBuilder
• yiidbQuery|Query = DB
• yiidbQueryBuilder|QueryBuilder = Query

10. Active Record
•
•
•
•
yiidbActiveRecord|ActiveRecord
Relational AR Query
1.1 = relations()
2.0 = getter methods

11. Path Alias
• Must use @
• @yii means Yii installation directory
• Closely related to class namespaces

12. Active Record
• No longer uses model(), but uses the find
method:

13. Auto quoting table and column names
• Automatic quoting
• [[]] = column
• {{}} = table

14. User and IdentityInterface
• CWebuser is now yiiwebUser
• CUserIdentity is no more
• yiiwebIdentityInterface

15. URL Management
• Optional parameters are now supported

16. Composer
• Simplified process
• Dependency resolution
• Auto-loading

17. Sam Dark – Alex Makarov
Core Yii Developer
http://www.youtube.com/watch?v=lLL
kURLgYIA