<!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 : Upgrading From a Previous Version</title> <style type='text/css' media='all'>@import url('../userguide.css');</style> <link rel='stylesheet' type='text/css' media='all' href='../userguide.css' /> <script type="text/javascript" src="../nav/nav.js"></script> <script type="text/javascript" src="../nav/prototype.lite.js"></script> <script type="text/javascript" src="../nav/moo.fx.js"></script> <script type="text/javascript" src="../nav/user_guide_menu.js"></script> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv='expires' content='-1' /> <meta http-equiv= 'pragma' content='no-cache' /> <meta name='robots' content='all' /> <meta name='author' content='Rick Ellis' /> <meta name='description' content='CodeIgniter User Guide' /> </head> <body> <!-- START NAVIGATION --> <div id="nav"><div id="nav_inner"><script type="text/javascript">create_menu('../');</script></div></div> <div id="nav2"><a name="top"></a><a href="javascript:void(0);" onclick="myHeight.toggle();"><img src="../images/nav_toggle.jpg" width="153" height="44" border="0" title="Toggle Table of Contents" alt="Toggle Table of Contents" /></a></div> <div id="masthead"> <table cellpadding="0" cellspacing="0" border="0" style="width:100%"> <tr> <td><h1>CodeIgniter User Guide Version 1.5.4</h1></td> <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td> </tr> </table> </div> <!-- END NAVIGATION --> <!-- START BREADCRUMB --> <table cellpadding="0" cellspacing="0" border="0" style="width:100%"> <tr> <td id="breadcrumb"> <a href="http://www.codeigniter.com/">CodeIgniter Home</a> › <a href="../index.html">User Guide Home</a> › Upgrading from a Previous Version </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 <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> </tr> </table> <!-- END BREADCRUMB --> <br clear="all" /> <!-- START CONTENT --> <div id="content"> <h1>Upgrading From a Previous Version</h1> <p>Please read the upgrade notes corresponding to the version you are upgrading from.</p> <ul> <li><a href="upgrade_154.html">Upgrading from 1.5.3 to 1.5.4</a></li> <li><a href="upgrade_153.html">Upgrading from 1.5.2 to 1.5.3</a></li> <li><a href="upgrade_152.html">Upgrading from 1.5.0 or 1.5.1 to 1.5.2</a></li> <li><a href="upgrade_150.html">Upgrading from 1.4.1 to 1.5.0</a></li> <li><a href="upgrade_141.html">Upgrading from 1.4.0 to 1.4.1</a></li> <li><a href="upgrade_140.html">Upgrading from 1.3.3 to 1.4.0</a></li> <li><a href="upgrade_133.html">Upgrading from 1.3.2 to 1.3.3</a></li> <li><a href="upgrade_132.html">Upgrading from 1.3.1 to 1.3.2</a></li> <li><a href="upgrade_131.html">Upgrading from 1.3 to 1.3.1</a></li> <li><a href="upgrade_130.html">Upgrading from 1.2 to 1.3</a></li> <li><a href="upgrade_120.html">Upgrading from 1.1 to 1.2</a></li> <li><a href="upgrade_b11.html">Upgrading from Beta 1.0 to Beta 1.1</a></li> </ul> </div> <!-- END CONTENT --> <div id="footer"> <p> Previous Topic: <a href="index.html">Installation Instructions</a> · <a href="#top">Top of Page</a> · <a href="../index.html">User Guide Home</a> · Next Topic: <a href="troubleshooting.html">Troubleshooting</a> </p> <p><a href="http://www.codeigniter.com">CodeIgniter</a> · Copyright © 2007 · <a href="http://ellislab.com/">Ellislab, Inc.</a></p> </div> </body> </html>