* new function script_js that just sourcered a tag with embebed one
* improved appsys/helpers/html_helper.php
* backported commit c76849e

…1e9894

* Adding PHP 8.2 support by using AllowDynamicProps tag comment
  thanks to @diazvictor
* backported for CI2 from
  https://gitlab.com/codeigniterpower/codeigniterpower/commit/0e109f6eb4ff38167849cef9544a11657cc908a2

* backported commit aad14aa

* allows php8 working too alongside php7/php5
* Fixed bcit-ci/CodeIgniter#6256
* backported from 0175908

* this function returns an XMLParser instance on php8;
  previously, a resource was returned, or false on failure.
  so i just compare php versions and use thep roperty on

* mostly need for php8 only..

…shioned devs

* the php documentation does not specifies if the options can be any mixed
  so later we found is only int or array valid allowed

* Unix like OS are CAmelCase so lest permit to load
  models from CI3 or CI2 no matter if first is uppercase

* provide a workaround function in code/Common like is_php does
* closes bcit-ci/CodeIgniter#6275
* related to pocketarc/codeigniter#3 (comment)

* related to commit 3c9fcc8

* provide a workaround function in code/Common like is_php does
* closes bcit-ci/CodeIgniter#6275
* related to pocketarc/codeigniter#3 (comment)

Fixed issue bcit-ci#2638 which prevented loading models in sub-folders by passing an array.

* allow to load `Upercase` and `lowercase`
* related to commit 20292311636837e120d205e470e41826820feb46

* Prevents possible internal variable overwrites when loading views
* backported from commit 92d1cc05362998ceabe39c4023f41fd939c1f5b2

* move errors from application to application/views
* make symlinks to be compatible with CI3