What is PHP?
1.PHP is an acronym for "PHP: Hypertext Preprocessor"
2.PHP is a widely-used, open source scripting language.
3.PHP scripts are executed on the server.
4.PHP is free to download and use.

 ![image](https://img.esteem.ws/s3qapof10j.jpg)

PHP files have extension ".php" and contains files like css javascript html and php. PHP is free. Download it from the official PHP resource: www.php.net .Php is easy to learn and use.

PHP Syntax:

<?php
// PHP code goes here
?>

Example:

<?php
echo "Hello World!";
?>