PHP is an open source, free web development language which is extremely popular and well supported by web development community online. Besides the cost benefits alone (since it involves no licensing costs and runs well on both the open source Apache web server as well as Microsoft's IIS), it also has the following advantages:
- It was designed for the web and is a robust, proven platform
- Being open source, it is constantly becoming better through community development
- The security record of PHP is remarkable
- It is highly customizable and can be adapted to suit all uses
