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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> | ||
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| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | ||
| <title>Upgrading from 2.2.4 to 2.2.5 : CodeIgniter User Guide</title> | ||
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| <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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| <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> | ||
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| <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' /> | ||
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| </head> | ||
| <body> | ||
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| <!-- 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 2.2.6</h1></td> | ||
| <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td> | ||
| </tr> | ||
| </table> | ||
| </div> | ||
| <!-- END NAVIGATION --> | ||
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| <!-- 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 2.2.5 to 2.2.6 | ||
| </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 --> | ||
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| <br clear="all" /> | ||
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| <!-- START CONTENT --> | ||
| <div id="content"> | ||
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| <h1>Upgrading from 2.2.5 to 2.2.6</h1> | ||
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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 all files and directories in your "system" folder and replace your index.php file. If any modifications were made to your index.php they will need to be made fresh in this new one.</p> | ||
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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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| <h1>Step 2: Make sure your 'base_url' configuration value is not empty</h1> | ||
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| <p>When <samp>$config['base_url']</samp> is not set, CodeIgniter tries to automatically | ||
| detect what your website's base URL is. This is done purely for convenience | ||
| when you are starting development of a new application.</p> | ||
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| <p>Auto-detection is never reliable and also has security implications, which | ||
| is why you should <b>always</b> have it manually configured!</p> | ||
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| <p>One of the changes in CodeIgniter 2.2.6 is how this auto-detection works, | ||
| and more specifically it now falls back to the server's IP address instead | ||
| of the hostname requested by the client. Therefore, if you've ever relied | ||
| on auto-detection, it will change how your website works now.</p> | ||
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| <p>In case you need to allow e.g. multiple domains, or both http:// and | ||
| https:// prefixes to be dynamically used depending on the request, | ||
| remember that application/config/config.php is still a PHP script, in | ||
| which you can create this logic with a few lines of code. For example::</p> | ||
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| <pre> | ||
| $allowed_domains = array('domain1.tld', 'domain2.tld'); | ||
| $default_domain = 'domain1.tld'; | ||
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| if (in_array($_SERVER['HTTP_HOST'], $allowed_domains, TRUE)) | ||
| { | ||
| $domain = $_SERVER['HTTP_HOST']; | ||
| } | ||
| else | ||
| { | ||
| $domain = $default_domain; | ||
| } | ||
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| if ( ! empty($_SERVER['HTTPS'])) | ||
| { | ||
| $config['base_url'] = 'https://'.$domain; | ||
| } | ||
| else | ||
| { | ||
| $config['base_url'] = 'http://'.$domain; | ||
| } | ||
| </pre> | ||
| </p> | ||
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| </div> | ||
| <!-- END CONTENT --> | ||
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| <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 - 2014 · <a href="http://ellislab.com/">EllisLab, Inc.</a> · Copyright © 2014 - 2015 · <a href="http://bcit.ca/">British Columbia Institute of Technology</a></p> | ||
| </div> | ||
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| </body> | ||
| </html> |
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