CodeIgniter is a most powerful part of PHP framework which has the very small footprint. The advantage is that it is simple in use and elegant toolkit to create full-featured web applications. This PHP framework is used by web development companies which deal with shared hosting accounts and meet the deadlines.
It is a fit for the large and undocumented framework. The main purpose of this toolkit is to help the coders to develop projects much faster than writing code from scratch. It provides a set of libraries. With this, web development companies can creatively focus on projects as this toolkit is effective to minimize the amount of code required to do a particular task. If you use PHP for designing your site,it has inbuilt library classes.
SoftCrayons Expert PHP trainers train their students with the complete Concepts of PHP CI Framework.