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What is PHP?

PHP(Hypertext Preprocessor) is a open source server side scripting programming language designed for web development.It was created by Rasmus Lerdorf in 1994.

It stands for Hypertext Pre-processor,PHP can only run PHP installed servers.Extension of PHP file is .php

Used in various web frameworks,content management systems.

Easy to learn syntax.It is platform independent.Popularly used in data-driven Web application.



PHP Versions

PHP Version 1.0(1995)

PHP Version 2.0(1997)

PHP Version 3.0(1998)

PHP Version 4.0(2000)

PHP Version 5.0(2004)

PHP Version 7.0(2015)



PHP Syntax



PHP start with <? and end with ?>


<?php
 //code here
 ?>

You must have basic knowledge of HTML,CSS,JavaScript to better use PHP.


PHP Hello World Example

To create hello world in php create a file and write HTML TAGS and PHP code.


helloworld.php
<html>  
<body>  
<?php   
echo "Hello World";
?>  
</body>  
</html>

OUTPUT:
Hello World















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