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Diffstat (limited to 'user_guide_src/source/installation/upgrade_300.rst')
| -rw-r--r-- | user_guide_src/source/installation/upgrade_300.rst | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/user_guide_src/source/installation/upgrade_300.rst b/user_guide_src/source/installation/upgrade_300.rst index 73ed0f4c3..2f806cccf 100644 --- a/user_guide_src/source/installation/upgrade_300.rst +++ b/user_guide_src/source/installation/upgrade_300.rst @@ -1,5 +1,5 @@ ############################# -Upgrading from 2.2.1 to 3.0.0 +Upgrading from 2.2.x to 3.0.0 ############################# .. note:: These upgrade notes are for a version that is yet to be released. @@ -551,6 +551,22 @@ PHP's native ``hash()`` function. It is deprecated and scheduled for removal in .. note:: This function is still available, but you're strongly encouraged to remove its usage sooner rather than later. +The $config['global_xss_filtering'] setting +=========================================== + +As already explained above, XSS filtering should not be done on input data, +but on output instead. Therefore, the ``$config['global_xss_filtering']``, +which automatically filters *input* data, is considered a bad practice and +is now deprecated. + +Instead, you should manually escape any user-provided data via the +:php:func:`xss_clean()` function when you need to output it, or use a +library like `HTML Purifier <http://htmlpurifier.org/>`_ that does that +for you. + +.. note:: The setting is still available, but you're strongly encouraged to + remove its usage sooner rather than later. + File helper read_file() ======================= @@ -795,7 +811,7 @@ It is now deprecated and scheduled for removal in CodeIgniter 3.1+. sooner rather than later. *********************************************************** -Step 18: Check your usage of Text helper highlight_phrase() +Step 20: Check your usage of Text helper highlight_phrase() *********************************************************** The default HTML tag used by :doc:`Text Helper <../helpers/text_helper>` function |