pagination refers to the system of numbering pages a list of numbered links usually found at the bottom of the pages.

Its goal is to enable to developer projects much faster than developers writing code from scratch, by providing a rich set of libraries for commonly needed tasks.

Codeigniter supports flash data, data that is only available for one server request, and is than removed. Flash data is very useful, and is usually used for informational massages.

Form validation is an important part of any application. It is important that have rules that should be adhered and also helps to keep a layer secure.

The validation rules of Codeignniter are as follows:
Required
Matches[field_name]
Min_length[x]
Max_length[x]
Exact_length[x]
Alpha
Alpha_numeric
Alpha_dash
Numeric
Integer
Is_natural
Is_natural_no_zero
Valid_email
Valid_emails
Valid_ip
Valid_base64