Overview of Framework by

Ahamed Rifaudeen A

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Steps before entering into the Framework?

Basic knowledge of object-oriented programming (OOP) in php5

Database programming (Mysql, Sqlite3)

These are things that makes you the better understanding the frameworks easily.

Required Knowledge?

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Cms Vs  Framework

Cms (Content-Management-System) is a type of Framework,

But generally limited towards making website with article/page type content with an out of the box article management system.

Mostly of the cms are focused on article management system.

Cms

A Framework provides often used web development boilerplate code.

They can...

MVC paradigm

URL parsing and handling

Templating

Better request handling

Framework

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What is Framework?

A set of reusable libraries or classes for a software is generally called as Frameworks

Model-View-Controller (MVC)

Push-based vs. pull-based

Three-tier organization

Definition:

Types of Framework:

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Model-View-Controller (MVC)

Consist of any business logics

Ex: database connection, user authentication, and etc..,

Model:

View: Consist of site layouts, and designs

Ex: html files

Controls the model and view

Decides Which model needed and which content is to be shown

Controller:

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Yii Framework

Yii is a high-performance light weight framework

Yii Stand for – Yes It Is

Yii Framework is a Open Source Framework

Download @ www.yiiframework.com

Yii Framework implements MVC Architecture

Version 1.1.13 is the current stable version

Yii introduces a front controller called Application

Application collects information about a user request and dispatch it to an appropriate controller

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Installing and Configuring Yii

Extract Downloaded Zip file into your server root

Ex:

Save @ C:\wamp\www\

Installing Yii Framework

Configuring Yii Framework

Set environment variables

Append php path (C:\wamp\bin\php\php5.2.6) with path in the Environment Variables

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Creating a new application

Change directory to your framework root

With Command Prompt

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Contd..

Type yiic

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Contd..

Ex: yiic webapp C:\wamp\www\demoProject

Syntax: yiic webapp path/to/demoProject

Testing our demoProject Locate the browser wih http://localhost/demoProject/

Our project available with four menu

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Structure of Yii Application

Index.php the bootstrap file

Application the front controller

App components used by our application

Controller controlling model and views

Model contains business logics, database and other inputs collected through forms

View contains user interface

Widget probably embeded in view files mainly for presentational purpose

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Application workflow

1. User requests http://www.webrobo.in/index.php?r=post/show&id=1

2. Application object created.3. Application gets information about

request.4. Application determines the requested

controller and action.5. Application creates an object of requested

controller.6. Action reads a post model whose ID is 17. Action renders a view8. View reads and display data from post

model9. View execute some widgets10.View embeds the result in a layout11.Action completes the rendering and display

result to the user

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Yii Framework Folder Structure

Folder Description/Contains

Assets/ Published resources

Css/ Css files

Images/ Image files

Protected/ Application Files

Themes/ Application themes

Our Project folder contains 5 folders

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Protected/

Protected folder is a base folder contains 12 sub folders

Folder Description/contains

Commands/ Customized yiic commands

Components/ Reusable user components

Config/ Configuration files

Controllers/ Controller files

Data/ Database oriented files

Extensions/ 3rd party extensions

Messages/ Translated messages

Migrations/

Models/ Model files (our business logics)

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Contd..

Folder Description/Contains

Runtime/ Temporarily generated files

Tests/ Test scripts

Views/ View and layout files

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Important Folders of Yii Framework

Config

Controllers

Models

Views

Inside Protected folder

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Config/

main.php is the application configuration file

Contains application level configurations such as

application path, name, database configuration and etc..,

Contains Application Configuration file

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Controllers/

File name must be same as class name

All Controllers must starts with Capital letter and end with Controller

All controller classes must extends Controller class (located @ located at protected/ components/Controller.php )

Example:

For site controller

File name: SiteController.php

Class name: SiteController

DContains our controllers

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Models/

ContactForm used by SiteController to manage contact form data.

LoginForm used by SiteController to manage login action.

And other Models Files(database).

All Business logics are resides here.

Contains ContactForm, LoginForm and our database models etc..,

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Views/

Each Controller has its view files .

Controller name is Same as the folder name except the word Controller.

Layout files are reside inside layout folder.

Contains View files for each controllers and layout of the website

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Eof Overview

Thank You...