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<td><h1>CodeIgniter User Guide Version 2.1.3</h1></td>
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<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
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<a href="http://codeigniter.com/">CodeIgniter Home</a> ›
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<a href="../index.html">User Guide Home</a> ›
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Upgrading from 1.4.1 to 1.5.0
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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 1.4.1 to 1.5.0</h1>
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<p class="important"><strong>Note:</strong> The instructions on this page assume you are running version 1.4.1. If you
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have not upgraded to that version please do so first.</p>
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<p>Before performing an update you should take your site offline by replacing the index.php file with a static one.</p>
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<h2>Step 1: Update your CodeIgniter files</h2>
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<p>Replace these files and directories in your "system" folder with the new versions:</p>
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<li><dfn>application/config/user_agents.php</dfn> (new file for 1.5)</li>
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<li><dfn>application/config/smileys.php</dfn> (new file for 1.5)</li>
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<li><dfn>codeigniter/</dfn></li>
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<li><dfn>database/</dfn> (new folder for 1.5. Replaces the "drivers" folder)</li>
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<li><dfn>helpers/</dfn></li>
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<li><dfn>language/</dfn></li>
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<li><dfn>libraries/</dfn></li>
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<li><dfn>scaffolding/</dfn></li>
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<p class="important"><strong>Note:</strong> If you have any custom developed files in these folders please make copies of them first.</p>
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<h2>Step 2: Update your database.php file</h2>
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<p>Open your <dfn>application/config/database.php</dfn> file and add these new items:</p>
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$db['default']['cache_on'] = FALSE;
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$db['default']['cachedir'] = '';
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<h2>Step 3: Update your config.php file</h2>
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<p>Open your <dfn>application/config/config.php</dfn> file and <kbd>ADD</kbd> these new items:</p>
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|--------------------------------------------------------------------------
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| Class Extension Prefix
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|--------------------------------------------------------------------------
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| This item allows you to set the filename/classname prefix when extending
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| native libraries. For more information please see the user guide:
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| http://codeigniter.com/user_guide/general/core_classes.html
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| http://codeigniter.com/user_guide/general/creating_libraries.html
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$config['subclass_prefix'] = 'MY_';
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|--------------------------------------------------------------------------
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| Rewrite PHP Short Tags
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|--------------------------------------------------------------------------
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| If your PHP installation does not have short tag support enabled CI
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| can rewrite the tags on-the-fly, enabling you to utilize that syntax
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| in your view files. Options are TRUE or FALSE (boolean)
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$config['rewrite_short_tags'] = FALSE;
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<p>In that same file <kbd>REMOVE</kbd> this item:</p>
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|--------------------------------------------------------------------------
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| Enable/Disable Error Logging
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|--------------------------------------------------------------------------
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| If you would like errors or debug messages logged set this variable to
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| TRUE (boolean). Note: You must set the file permissions on the "logs" folder
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| such that it is writable.
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$config['log_errors'] = FALSE;
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<p>Error logging is now disabled simply by setting the threshold to zero.</p>
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<h2>Step 4: Update your main index.php file</h2>
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<p>If you are running a stock <dfn>index.php</dfn> file simply replace your version with the new one.</p>
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<p>If your <dfn>index.php</dfn> file has internal modifications, please add your modifications to the new file and use it.</p>
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<h2>Step 5: Update your user guide</h2>
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<p>Please also replace your local copy of the user guide with the new version.</p>
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Previous Topic: <a href="index.html">Installation Instructions</a>
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