PHP Server-Side Scripting language for Website Development

By: Prof. Fazal Rehman Shamil
Last modified on June 9th, 2020

PHP (Server-Side Scripting language)

PHP language stands for “PHP: Hypertext Pre-processor” The most widely-used, open-source, and script language. All PHP scripts are executed on the server.

It can be run on different platforms like:

  • Windows
  • Linux
  • Unix
  • Mac OS X etc.

It is used for almost every server like

  • Apache
  • It also supports various types of databases.

PHP Syntax

 PHP script starts with


         Code written here…


The extension for PHP files is “.php”. Normally a PHP FILE contains HTML tags, and some PHP scripting code. Below, there is an example of a code, with a PHP script that uses a built-in PHP function “echo” for print out the text “Script Language” on a web page:



                PHP Page

           Script Language

Code  Comments
<html> Starting with HTML tags
<h2></h2> Head (heading 2)opening and closing of head
<?php Starting php
echo Built in function to print the text
 ?> Closing of php

Pre-requisites to PHP

Before you start your learning with PHP, you must have a little basic understanding of HTML, CSS, and JavaScript.