PHP 7 - Installation on Linux/Unix

Try it Option Online

We have set up the PHP Programming environment on-line, so that you can compile and execute all the available examples online. It gives you confidence in what you are reading and enables you to verify the programs with different options. Feel free to modify any example and execute it online.
Try the following example using our online compiler available atCodingGround.
<html>
   <head>
      <title>Online PHP Script Execution</title>
   </head>
   <body>
      <?php
         echo "<h1>Hello, PHP!</h1>";
      ?>   
   </body>
</html>
For most of the examples given in this tutorial, you will find a Try it option in our website code sections at the top right corner that will take you to the online compiler. So just use of and enjoy your learning.
In order to develop and run PHP Web pages, three vital components need to be installed on your computer system.
  • Web Server − PHP works with virtually all Web Server software, including Microsoft's Internet Information Server (IIS) but most often used is Apache Server. Download Apache for free here −http://httpd.apache.org/download.cgi
  • Database − PHP PHP works with virtually all database software, including Oracle and Sybase but most commonly used is MySQL database. Download MySQL for free here −http://www.mysql.com/downloads/
  • PHP Parser − In order to process PHP script instructions, a parser must be installed to generate HTML output that can be sent to the Web Browser. This tutorial will guide you how to install PHP parser on your computer.

PHP Parser Installation

Before you proceed, it is important to make sure that you have proper environment setup on your machine to develop your web programs using PHP. Store the following php file in Apache's htdocs folder.

phpinfo.php

<?php
   phpinfo();
?>
Type the following address into your browser's address box.
http://127.0.0.1/phpinfo.php
If this displays a page showing your PHP installation related information, then it means you have PHP and Webserver installed properly. Otherwise, you have to follow the given procedure to install PHP on your computer.
This section will guide you to install and configure PHP over the following four platforms −

Apache Configuration

If you are using Apache as a Web Server, then this section will guide you to edit Apache Configuration Files.

PHP.INI File Configuration

The PHP configuration file, php.ini, is the final and immediate way to affect PHP's functionality.

Windows IIS Configuration

To configure IIS on your Windows machine, you can refer your IIS Reference Manual shipped along with IIS.

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