Web Application Development using MVC Framework Kohana

Arafat RahmanWeb Application Developer

Solution Arenahttp://arafatbd.net

Framework ?

Provides Generic

functionality Some key features Reusable Well-defined Specialized by user

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

MVC ?

Model-View-Controller

MVC

HMVC ?

Hierarchical Model View Controller

MVC and HMVC

Setting up Kohana (KO3)

Setting up Kohana

Configuration

application/bootstrap.php

Kohana::init(array('base_url' => '/kohana/',));

Configuration (cont.)

Delete /install.php

Requesting a Controller

/index.php/<controller>/<action>

example:/index.php/topic/view/123

Hello, world!

Hello, world! (cont.)

http://localhost/kohana/index.php/welcome

Hide index.php

How to hide index.php

http://kerkness.ca/wiki/doku.php?id=removing_the_index.php

Hello, world! (cont.)

http://localhost/kohana/welcome

Database Configapplication/bootstrap.php

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

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

Create Table: topicsCREATE 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) ;

Reading Database Recordsapplication/classes/controller/topic.php

Reading Database Recordsapplication/classes/controller/topic.phptry {

$data['topics'] = DB::select()

->from('topics')

->order_by('date', "DESC")

->execute()

->as_array();

$this->request->response = View::factory('list', $data);

}

Reading Database Recordsapplication/view/list.php

Reading Database Recordsapplication/view/list.php

Reading Database Recordsapplication/view/list.php

Inserting New Recordsapplication/classes/controller/topic.php

http://localhost/kohana/topic/new_topic

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

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

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

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

Update Recordshttp://localhost/kohana/topic/index

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

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

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

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

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

Model and ORMObject Relational Mapping (ORM)

application/classes/model/topic.php

class Model_Topic extends ORM { ...}

HMVCIn a View<?php echo $content;?><br/><?php echo Request::factory('topic/featured')

->execute()->response;?>

HMVC (cont.)In a Controller$data['featured'] = Request::factory('topic/featured')

->execute()->response;

References Kohana Documentation

http://kohanaframework.org/documentation Unofficial documentaion

http://kerkness.ca/wiki/doku.php

Questions ?Again, I am

Arafat Rahmanhttp://arafatbd.net