summaryrefslogtreecommitdiffstats
path: root/user_guide_src/source/installation/upgrade_220.rst
blob: c87148ca1c25b39627e422e72795b982b3872b4f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#############################
Upgrading from 2.1.4 to 2.2.x
#############################

.. note:: The **Encrypt Class** now requires the Mcrypt extension. If you
	were previously using the Encrypt Class without Mcrypt, then this
	is a breaking change.  You must install the Mcrypt extension in
	order to upgrade. For information on installing Mcrypt please see
	the PHP `documentation <https://secure.php.net/manual/en/mcrypt.setup.php>`.

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 all files and directories in your "system" folder.

.. note:: If you have any custom developed files in these folders please
	make copies of them first.