All of the components that we have made will be put under the folder components. In our exercises, considere that your Joomla! folder named myjoomla, then all of our exercises component will be put under [webroot]/myjoomla/components. All of the component folder naming started with com_(component_name).

We are going to make a simple component named hello. According to the rule, then the component folder will be named as com_hello. Here are the steps in making the hello component:

1. Make new folder named com_hello under myjoomla/components folder.

2. Make the hello.php file inside the com_hello folder, and type the code as the following then save this change:

The program code explanation as the following:

1. You must write the first line into every component file. This line will prevent people from accessing the file directly without through the URL rules which is established by Joomla.
2. The next line, we are going to show the "Hello World." text in Joomla! page. We wiil modify the text a little bit by adding the class name into tag div. Class will be related with CSS which has been definite in template.

Executing the Component

After making the simple file for hello component, it is time for you to show it in the Joomla! page. You can call it with the following formula:

[servername]/index.php?option=com_hello

In this exercise, you can call it with:

http://localhost/myjoomla/index.php?option=com_hello

Although thousands themes available, You may want to create your own theme. Make something different from others. You can customize from exist theme or build from zero. In this post, we will learn about wordpress theme from zero. from blank page. Let's do it.

Ok, in this post, we create blank page. We just want to look very basic file structure at wordpress theme. We don't write any code. Don't worry, next post, we begin to write some lines code.

1. Create a folder named "my_theme" within \wordpress\wp-content\themes. It means we will create a theme named "my_theme".
2. Create a file named "index.php" within \wordpress\wp-content\themes\my_theme.
3. Create a file named "style.css" within \wordpress\wp-content\themes\my_theme.
4. Open style.css use your text editor. Add some description like Theme name, Theme URI, Author, Author URL ... etc
5. Now, activate your theme.

Don't worry if you just get blank page.

Create your first "Hello World" Drupal 7 module with the following steps.

1. Create a folder called helloworld in sites/all/modules/custom
2. Create a helloworld.info file
3. Create a template file page-helloworld.tpl.php in your theme directory
4. Enable your module at http://domain.com/admin/build/modules
5. Visit http://domain.com/helloworld

This belongs into your helloworld.info file:

; $Id$
 
name = helloworld
description = Reinholds Hello World module
package = Reinholds modules
core = 7.x
 
files[] = helloworld.module

The helloworld.module file

<?php
 function helloworld_menu(){
   $items = array();
 
   $items['helloworld'] = array(
     'title'            => t('Hello world'),
     'page callback'    => 'helloworld_output',
     'access arguments' => array('access content'),
   );
 
   return $items;
 }
 
 /*
 * Display output
 */
 function helloworld_output() {
   header('Content-type: text/plain; charset=UTF-8');
   header('Content-Disposition: inline');
   return 'helloworld';
 }
?>

The theme template file page-helloworld.tpl.php

<?php
print $content;
?>

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The Magento eCommerce platform serves more than 110,000 merchants worldwide and is supported by a global ecosystem of solution partners and third-party developers. Magento is a feature-rich, open-source, enterprise-class platform that offers merchants a high degree of flexibility and control over the user experience, catalog, content and functionality of their online store.

Magento Enterprise

Magento Enterprise, the company's premiere solution, enables mid- to large-sized merchants to build and run world-class online stores. Magento Enterprise has been adopted by thousands of the world's leading merchants and brands.

Magento Go

Magento Go, the company's hosted software-as-a-service solution, provides small merchants with the tools to help them succeed online – from payments to inventory management.

In 2011, Magento was acquired by eBay Inc. and became part of eBay's X.commerce business unit. Magento is based in Los Angeles and employs more than 375 people worldwide.

Magento Official Website - http://www.magentocommerce.com/

Symfony provides an architecture, components and tools for developers to build complex web applications faster. Choosing symfony allows you to release your applications earlier, host and scale them without problem, and maintain them over time with no surprise.

Symfony is based on experience. It does not reinvent the wheel: it uses most of the best practices of web development and integrates some great third-party libraries.

Thousands of developers already trust symfony for their applications!

New users join the community every day, and that makes of symfony the most popular PHP framework around. A large community means easy-to-find support, user-contributed documentation, plugins, and free applications.

Symfony Official website - http://www.symfony-project.org/

CodeIgniter is a powerful PHP framework with a very small footprint, built for PHP coders who need a simple and elegant toolkit to create full-featured web applications. If you're a developer who lives in the real world of shared hosting accounts and clients with deadlines, and if you're tired of ponderously large and thoroughly undocumented frameworks

CodeIgniter is right for you if...

• You want a framework with a small footprint.
• You need exceptional performance.
• You need broad compatibility with standard hosting accounts that run a variety of PHP versions and configurations.
• You want a framework that requires nearly zero configuration.
• You want a framework that does not require you to use the command line.
• You want a framework that does not require you to adhere to restrictive coding rules.
• You are not interested in large-scale monolithic libraries like PEAR.
• You do not want to be forced to learn a templating language (although a template parser is optionally available if you desire one).
• You eschew complexity, favoring simple solutions.
• You need clear, thorough documentation.

Extending the art & spirit of PHP, Zend Framework is based on simplicity, object-oriented best practices, corporate friendly licensing, and a rigorously tested agile codebase. Zend Framework is focused on building more secure, reliable, and modern Web 2.0 applications & web services, and consuming widely available APIs from leading vendors like Google, Amazon, Yahoo!, Flickr, as well as API providers and cataloguers like StrikeIron and ProgrammableWeb.

Expanding on these core themes, we have implemented Zend Framework to embody extreme simplicity & productivity, the latest Web 2.0 features, simple corporate-friendly licensing, and an agile well-tested code base that your enterprise can depend upon.

WordPress started in 2003 with a single bit of code to enhance the typography of everyday writing and with fewer users than you can count on your fingers and toes. Since then it has grown to be the largest self-hosted blogging tool in the world, used on millions of sites and seen by tens of millions of people every day.

Everything you see here, from the documentation to the code itself, was created by and for the community. WordPress is an Open Source project, which means there are hundreds of people all over the world working on it. (More than most commercial platforms.) It also means you are free to use it for anything from your cat's home page to a Fortune 500 web site without paying anyone a license fee and a number of other important freedoms.

About WordPress.org

On this site you can download and install a software script called WordPress. To do this you need a web host who meets the minimum requirements and a little time. WordPress is completely customizable and can be used for almost anything. There is also a service called WordPress.com which lets you get started with a new and free WordPress-based blog in seconds, but varies in several ways and is less flexible than the WordPress you download and install yourself.

What You Can Use WordPress For

WordPress started as just a blogging system, but has evolved to be used as full content management system and so much more through the thousands of plugins, widgets, and themes, WordPress is limited only by your imagination. (And tech chops.)

Wordpress Official Website - http://wordpress.org/