<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <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' /> <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='expires' content='-1' /> <meta http-equiv= 'pragma' content='no-cache' /> <meta name='robots' content='all' /> <meta name='author' content='ExpressionEngine Dev Team' /> <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_darker.jpg" width="154" height="43" 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 1.7.3</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://codeigniter.com/">CodeIgniter Home</a> › <a href="../index.html">User Guide Home</a> › Upgrading from 1.4.0 to 1.4.1 </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 1.4.0 to 1.4.1</h1> <p class="important"><strong>Note:</strong> The instructions on this page assume you are running version 1.4.0. 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 the following directories in your "system" folder with the new versions:</p> <p class="important"><strong>Note:</strong> If you have any custom developed files in these folders please make copies of them first.</p> <ul> <li>codeigniter</li> <li>drivers</li> <li>helpers</li> <li>libraries</li> </ul> <h2>Step 2: Update your config.php file</h2> <p>Open your <dfn>application/config/config.php</dfn> file and add this new item:</p> <pre> /* |-------------------------------------------------------------------------- | Output Compression |-------------------------------------------------------------------------- | | Enables Gzip output compression for faster page loads. When enabled, | the output class will test whether your server supports Gzip. | Even if it does, however, not all browsers support compression | so enable only if you are reasonably sure your visitors can handle it. | | VERY IMPORTANT: If you are getting a blank page when compression is enabled it | means you are prematurely outputting something to your browser. It could | even be a line of whitespace at the end of one of your scripts. For | compression to work, nothing can be sent before the output buffer is called | by the output class. Do not "echo" any values with compression enabled. | */ $config['compress_output'] = FALSE; </pre> <h2>Step 3: Rename an Autoload Item</h2> <p>Open the following file: <dfn>application/config/autoload.php</dfn></p> <p>Find this array item:</p> <code>$autoload['core'] = array();</code> <p>And rename it to this:</p> <code>$autoload['libraries'] = array();</code> <p>This change was made to improve clarity since some users were not sure that their own libraries could be auto-loaded.</p> <h2>Step 4: Update your user guide</h2> <p>Please also replace your local copy of the user guide with the new version.</p> </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://codeigniter.com">CodeIgniter</a> · Copyright © 2006-2010 · <a href="http://ellislab.com/">Ellislab, Inc.</a></p> </div> </body> </html>