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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>CodeIgniter User Guide</title>
<style type='text/css' media='all'>@import url('../userguide.css');</style>
<link rel='stylesheet' type='text/css' media='all' href='../userguide.css' />
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<meta name='author' content='Rick Ellis' />
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<td><h1>CodeIgniter User Guide Version 1.6.0</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
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<a href="http://www.codeigniter.com/">CodeIgniter Home</a> ›
<a href="../index.html">User Guide Home</a> ›
Upgrading from 1.5.0 to 1.5.2
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<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 <input type="text" class="input" style="width:200px;" name="q" id="q" size="31" maxlength="255" value="" /> <input type="submit" class="submit" name="sa" value="Go" /></form></td>
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<h1>Upgrading from 1.5.0 to 1.5.2</h1>
<p class="important"><strong>Note:</strong> The instructions on this page assume you are running version 1.5.0 or 1.5.1. If you
have not upgraded to that version please do so first.</p>
<p>Before performing an update you should take your site offline by replacing the index.php file with a static one.</p>
<h2>Step 1: Update your CodeIgniter files</h2>
<p>Replace these files and directories in your "system" folder with the new versions:</p>
<ul>
<li><dfn>system/helpers/download_helper.php</dfn></li>
<li><dfn>system/helpers/form_helper.php</dfn></li>
<li><dfn>system/libraries/Table.php</dfn></li>
<li><dfn>system/libraries/User_agent.php</dfn></li>
<li><dfn>system/libraries/Exceptions.php</dfn></li>
<li><dfn>system/libraries/Input.php</dfn></li>
<li><dfn>system/libraries/Router.php</dfn></li>
<li><dfn>system/libraries/Loader.php</dfn></li>
<li><dfn>system/libraries/Image_lib.php</dfn></li>
<li><dfn>system/language/english/unit_test_lang.php</dfn></li>
<li><dfn>system/database/DB_active_rec.php</dfn></li>
<li><dfn> system/database/drivers/mysqli/mysqli_driver.php</dfn></li>
<li><dfn>codeigniter/</dfn></li>
</ul>
<p class="important"><strong>Note:</strong> If you have any custom developed files in these folders please make copies of them first.</p>
<h2>Step 2: Update your user guide</h2>
<p>Please also replace your local copy of the user guide with the new version.</p>
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