PHP is important tool for web development because of the following facts
- PHP is open source and free software – You can use PHP without any cost.
- PHP is cross platform to develop, to deploy and to use.
- PHP is Powerful, Robust and Scalable.
- PHP is web development specific.
- PHP can be object oriented , especially version 5 or more.
- PHP has Great Documentation in many languages.
- PHP has large active developer community (more than 25 million websites)