PHP(PHP:Hypertext Preprocessor) is a server-side programing languages.
It is use to made the web pages dynamically.
PHP is introduce by Rasmus Lerdorf in 1995.
It is a free released and open source softwareWe introduce PHP under the HTML tags.
In this scripts are executed on server side.
It supports many database like that MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL, Generic ODBC, etc.