CodeIgniter 1.7.2 released

List of changes:

Compatible with php 5.3;
Added Cart class (shopping cart for online stores);
Form helper improvements;
Added is_php () function to check php version;
The show_error () function has been improved, now it allows you to send http error status. All calls to this function in the framework now send the corresponding statuses;
Numerous bug fixes;

Source: https://habr.com/ru/post/69382/