Implied Grocery CRUD to Code Igniter (PHPPOS)

[eluser]deamra[/eluser]
i have question for implied grocery to code igniter, but with PHP Point of Sale. I can tell you a little bit story : i receive project from my boss about change template grocery to PHP Point of Sale, so im little confess about it. if you think pls tell me quickly, i need so much :')
my question :

"how to implied and change it?"

thanks and keep coding