From 4f555079a6d85abd11403c72b9dbaa8823dc2e6d Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sat, 12 Mar 2016 17:21:55 +0200 Subject: [ci skip] Deprecate prep_for_form() in Form_validation --- user_guide_src/source/installation/upgrade_306.rst | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'user_guide_src/source/installation') diff --git a/user_guide_src/source/installation/upgrade_306.rst b/user_guide_src/source/installation/upgrade_306.rst index e9c4bdd79..f6d2f13d4 100644 --- a/user_guide_src/source/installation/upgrade_306.rst +++ b/user_guide_src/source/installation/upgrade_306.rst @@ -12,3 +12,22 @@ 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 'prep_for_form' usage (deprecation) +================================================== + +The :doc:`Form Validation Library <../libraries/form_validation>` has a +``prep_for_form()`` method, which is/can also be used as a rule in +``set_rules()`` to automatically perform HTML encoding on input data. + +Automatically encoding input (instead of output) data is a bad practice in +the first place, and CodeIgniter and PHP itself offer other alternatives +to this method anyway. +For example, :doc:`Form Helper <../helpers/form_helper>` functions will +automatically perform HTML escaping when necessary. + +Therefore, the *prep_for_form* method/rule is pretty much useless and is now +deprecated and scheduled for removal in 3.1+. + +.. note:: The method is still available, but you're strongly encouraged to + remove its usage sooner rather than later. -- cgit v1.2.3-24-g4f1b