I tried to show key features of Kohana (KO3) and CRUD using Kohana.

1. Web Application Development
using MVC Framework Kohana
Arafat Rahman
Web Application Developer
Solution Arena
http://arafatbd.net

2. Framework ?
Provides

Generic
functionality

Some key features

Reusable

Well-defined

Specialized by user

3. Why Kohana (KO3)

Its MVC

Its HMVC

Very fast framework

Strict PHP 5.2 - OOP and extremely DRY

Many common components

Simple routing structure

4. MVC ?
Model-View-Controller

5. MVC

6. HMVC ?
Hierarchical Model View Controller

7. MVC and HMVC

8. Setting up Kohana (KO3)

9. Setting up Kohana

10. Configuration
application/bootstrap.php
Kohana::init(array(
'base_url' => '/kohana/',
));

11. Configuration (cont.)
Delete

/install.php

12. Requesting a Controller
/index.php/<controller>/<action>
example:
/index.php/topic/view/123

13. Hello, world!

14. Hello, world! (cont.)
http://localhost/kohana/index.php/welcome

15. Hide index.php
How to hide index.php
http://kerkness.ca/wiki/doku.php?
id=removing_the_index.php

16. Hello, world! (cont.)
http://localhost/kohana/welcome

17. Database Config
application/bootstrap.php

18. Database Config (cont.)
application/config/database.php

19. Database Config (cont.)
application/config/database.php

20. Create Table: topics
CREATE TABLE `kohana`.`topics` (
`topic_id` INT( 11 ) NOT NULL
AUTO_INCREMENT PRIMARY KEY ,
`title` VARCHAR( 250 ) NOT
NULL ,
`description` TEXT NOT NULL ,
`date` DATETIME NOT NULL
) ;

21. Reading Database Records
application/classes/controller/topic.php

22. Reading Database Records
application/classes/controller/topic.php
try {
$data['topics'] = DB::select()
->from('topics')
->order_by('date', "DESC")
->execute()
->as_array();
$this->request->response =
View::factory('list', $data);
}

23. Reading Database Records
application/view/list.php

24. Reading Database Records
application/view/list.php

25. Reading Database Records
application/view/list.php

26. Inserting New Records
application/classes/controller/topic.php
http://localhost/kohana/topic/new_topic

27. Inserting New Records (cont.)
http://localhost/kohana/topic/new_topic

28. Inserting New Records (cont.)
application/classes/controller/topic.php

29. Inserting New Records (cont.)
application/classes/controller/topic.php

30. Inserting New Records (cont.)
application/classes/controller/topic.php

31. Update Records
http://localhost/kohana/topic/index

32. Update Records (cont.)
application/classes/controller/topic.php

33. Update Records (cont.)
application/classes/controller/topic.php

34. Update Records (cont.)
http://localhost/kohana/topic/edit/1

35. Update Records (cont.)
application/classes/controller/topic.php

36. Update Records (cont.)
application/classes/controller/topic.php

37. Model and ORM
Object Relational Mapping (ORM)
application/classes/model/topic.php
class Model_Topic extends ORM {
...
}

38. HMVC
In a View
<?php echo $content;?><br/>
<?php echo
Request::factory('topic/featured')
->execute()->response;
?>

39. HMVC (cont.)
In a Controller
$data['featured'] =
Request::factory('topic/featured')
->execute()->response;

40. References

Kohana Documentation
http://kohanaframework.org/documentation

Unofficial documentaion
http://kerkness.ca/wiki/doku.php

41. Questions ?
Again, I am
Arafat Rahman
http://arafatbd.net