PHP program to print the version of the server software

Program/Source Code:

The source code to print the version of the server software is given below. The given program is compiled and executed successfully.

<?php
//PHP program to print the version 
//of server software.

$ServerSoftware = $_SERVER['SERVER_SOFTWARE'];

printf("Server Software: %s<br>", $ServerSoftware);
?>

Output:

Server Software: Apache/2.2.22 (Win64) PHP/5.3.13

Explanation:

In the above program, we used $_SERVER['SERVER_SOFTWARE'] super global that returns the version of server software, which is assigned to the variable $ServerSoftware. After that, we printed the version of the server software on the webpage.