How to creating a Component of Joomla

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For our basic component, we only require five files:

site/hello.php - this is the entry point to our component
site/controller.php - this file contains our base controller
site/views/hello/view.html.php - this file retrieves the necessary data and pushes it into the template
site/views/hello/tmpl/default.php - this is the template for our output
hello.xml - this is an XML (manifest) file that tells Joomla! how to install our component.

Remember that the filename for the entry point must have the same name of the component. For example, if you call your component "Very Intricate Name Component", at install time (see below in the hello.xml section) Joomla! will create the folder com_veryintricatenamecomponent and the entry point php file must be named veryintricatenamecomponent.php otherwise it will not work. Be aware that use of some special characters, notibly the underscore '_', may have special meaning in Joomla and should be avoided in component names or files.

The site directory here is for the parts of the component which are installed in the front end site.