How to use migrations with HMVC in CodeIgniter?
You can migrate MVC to HMVC using this modular extension
https://bitbucket.org/wiredesignz/codeigniter-modular-extensions-hmvc
Then just place the your MVC file in module-wise structure
There will be some changes for routes method as its will access like
modulename/classname/methodname/paramters
(if required)
you can also change template engine to smarty will be easy to develop views