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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 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>Managing your Applications : 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 1.7.1</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> › Managing your Applications</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>Managing your Applications</h1><p>By default it is assumed that you only intend to use CodeIgniter to manage one application, which you will build in your<dfn>system/application/</dfn> directory. It is possible, however, to have multiple sets of applications that share a singleCodeIgniter installation, or even to rename or relocate your <dfn>application</dfn> folder.</p><h2>Renaming the Application Folder</h2><p>If you would like to rename your <dfn>application</dfn> folder you may do so as long as you open your main <kbd>index.php</kbd>file and set its name using the <samp>$application_folder</samp> variable:</p><code>$application_folder = "application";</code><h2>Relocating your Application Folder</h2><p>It is possible to move your <dfn>application</dfn> folder to a different location on your server than your <kbd>system</kbd> folder.To do so open your main <kbd>index.php</kbd> and set a <em>full server path</em> in the <samp>$application_folder</samp> variable.</p><code>$application_folder = "/Path/to/your/application";</code><h2>Running Multiple Applications with one CodeIgniter Installation</h2><p>If you would like to share a common CodeIgniter installation to manage several different applications simplyput all of the directories located inside your <kbd>application</kbd> folder into theirown sub-folder.</p><p>For example, let's say you want to create two applications, "foo" and "bar". You will structure yourapplication folder like this:</p><code>system/application/<var>foo</var>/<br />system/application/<var>foo</var>/config/<br />system/application/<var>foo</var>/controllers/<br />system/application/<var>foo</var>/errors/<br />system/application/<var>foo</var>/libraries/<br />system/application/<var>foo</var>/models/<br />system/application/<var>foo</var>/views/<br />system/application/<samp>bar</samp>/<br />system/application/<samp>bar</samp>/config/<br />system/application/<samp>bar</samp>/controllers/<br />system/application/<samp>bar</samp>/errors/<br />system/application/<samp>bar</samp>/libraries/<br />system/application/<samp>bar</samp>/models/<br />system/application/<samp>bar</samp>/views/</code><p>To select a particular application for use requires that you open your main <kbd>index.php</kbd> file and set the <dfn>$application_folder</dfn>variable. For example, to select the "foo" application for use you would do this:</p><code>$application_folder = "application/foo";</code><p class="important"><strong>Note:</strong> Each of your applications will need its own <dfn>index.php</dfn> file whichcalls the desired application. The index.php file can be named anything you want.</p></div><!-- END CONTENT --><div id="footer"><p>Previous Topic: <a href="profiling.html">Profiling Your Application</a> · <a href="#top">Top of Page</a> · <a href="../index.html">User Guide Home</a> · Next Topic: <a href="alternative_php.html">Alternative PHP Syntax</a></p><p><a href="http://codeigniter.com">CodeIgniter</a> · Copyright © 2006-2008 · <a href="http://ellislab.com/">Ellislab, Inc.</a></p></div></body></html>