Upgrading from 3.1.2 to 3.1.3
*****************************

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/* directory.

Note:

  If you have any custom developed files in these directories, please
  make copies of them first.


Step 2: Remove usage of nice_date() helper (deprecation)
========================================================

The Date Helper function "nice_date()" is no longer useful since the
introduction of PHP’s DateTime classes

You can replace it with the following:

   DateTime::createFromFormat($input_format, $input_date)->format($desired_output_format);

Thus, "nice_date()" is now deprecated and scheduled for removal in
CodeIgniter 3.2+.

Note:

  The function is still available, but you’re strongly encouraged to
  remove its usage sooner rather than later.


Step 3: Remove usage of $config[‘standardize_newlines’]
=======================================================

The Input Library would optionally replace occurrences of *rn*, *r*,
*n* in input data with whatever the "PHP_EOL" value is on your system
- if you’ve set "$config['standardize_newlines']" to "TRUE" in your
*application/config/config.php*.

This functionality is now deprecated and scheduled for removal in
CodeIgniter 3.2.+.

Note:

  The functionality is still available, but you’re strongly encouraged
  to remove its usage sooner rather than later.
