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<com:TContent ID="body" >
<h1>Applications</h1>
<p>
An application is an instance of <code>TApplication</code> or its derived class. Each PRADO application consists of a single application instance, one or several services, and some modules. For applications providing the page service (true for nearly all applications), they also contain one or several pages.
</p>
<p>
The application instance is the only object that is accessible globally via <code>Prado::getApplication()</code> function call. It manages modules that provide different functionalities and are loaded when needed. It holds services that are available to end-users. An application instance may be configured via <a href="?page=Configurations.AppConfig">application configurations</a>.
</p>
<p>
An application instance is usually created in an entry script in a PRADO application, as shown in the following,
<pre class="source">
require_once('/path/to/prado.php');
$application = new TApplication;
$application->run();
</pre>
where the method <code>run()</code> starts the application to handle user requests.
</p>
<h2>Application Lifecycles</h2>
<p>
TBD
</p>
</com:TContent>
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