INTRODUCTION :-

• The PHP Hypertext Pre-processor (PHP) is a programming language that allows web developers (or designers) to create dynamic content that interacts with databases.

• It is basically used for developing web based software applications.

• It is a server side scripting language that is embedded in HTML, which is a markup language.

• It is used to manage dynamic content, databases, session tracking.

• Several databases can be used as a backend in PHP projects like MySQL, PostgreSQL, Oracle, Microsoft SQL Server and etc.

• PHP syntax’s are similar to C Programming Language.

• PHP files may contain text, HTML, CSS, JavaScript, and PHP code.

• PHP code are executed on the server.

• The default file extension for PHP files is ".php".