Version 7.1
It is the most widely used programming language for dynamic webpages in industries like Internet, Banking, Social media and much more. PHP language has its roots in C and C++, it can run on both UNIX and Windows servers. In general PHP is secure, fast, open-source and reliable.
Version 3.1
CodeIgniter is an open-source software rapid development web framework, for use in building dynamic web sites with PHP. Powerful PHP framework with a very small footprint, built for developers who need a simple and elegant toolkit to create full-featured web applications.Providing both a logical structure and a reusable interface..
Bootstrap is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with our Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins built on jQuery.