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#############################
Upgrading from 1.7.1 to 1.7.2
#############################
Before performing an update you should take your site offline by
replacing the index.php file with a static one.
Step 1: Update your CodeIgniter files
=====================================
Replace these files and directories in your "system" folder with the new
versions:
- system/codeigniter
- system/database
- system/helpers
- system/language
- system/libraries
- index.php
.. note:: If you have any custom developed files in these folders please
make copies of them first.
Step 2: Remove header() from 404 error template
===============================================
If you are using header() in your 404 error template, such as the case
with the default error_404.php template shown below, remove that line
of code.
::
<?php header("HTTP/1.1 404 Not Found"); ?>
404 status headers are now properly handled in the show_404() method
itself.
Step 3: Confirm your system_path
=================================
In your updated index.php file, confirm that the $system_path variable
is set to your application's system folder.
Step 4: Update your user guide
==============================
Please replace your local copy of the user guide with the new version,
including the image files.
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