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-<title>Application Flow Chart : CodeIgniter User Guide</title>
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-<td><h1>CodeIgniter User Guide Version 2.1.3</h1></td>
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-<a href="http://codeigniter.com/">CodeIgniter Home</a> &nbsp;&#8250;&nbsp;
-<a href="../index.html">User Guide Home</a> &nbsp;&#8250;&nbsp;
-Appflow
-</td>
-<td id="searchbox"><form method="get" action="http://www.google.com/search"><input type="hidden" name="as_sitesearch" id="as_sitesearch" value="codeigniter.com/user_guide/" />Search User Guide&nbsp; <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" />&nbsp;<input type="submit" class="submit" name="sa" value="Go" /></form></td>
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-<h1>Application Flow Chart</h1>
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-<p>The following graphic illustrates how data flows throughout the system:</p>
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-<div><img src="../images/appflowchart.gif" width="769" height="212" alt="CodeIgniter application flow"></div>
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-<ol>
-<li>The index.php serves as the front controller, initializing the base resources needed to run CodeIgniter.</li>
-<li>The Router examines the HTTP request to determine what should be done with it.</li>
-<li>If a cache file exists, it is sent directly to the browser, bypassing the normal system execution.</li>
-<li>Security. Before the application controller is loaded, the HTTP request and any user submitted data is filtered for security.</li>
-<li>The Controller loads the model, core libraries, helpers, and any other resources needed to process the specific request.</li>
-<li>The finalized View is rendered then sent to the web browser to be seen. If caching is enabled, the view is cached first so
-that on subsequent requests it can be served.</li>
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