What is the LAMP stack architecture?

The LAMP is an open-source web development framework that is popular and is also utilized to develop and execute dynamic web sites and web applications. The term LAMP is an acronym of four technologies that are used in conjunction as stack.

1. L – Linux

• Operating System
• The basis of the stack where all activities take place.

• Manages system resources and servers.

2. A – Apache

• Web Server
• Accepts HTTP requests sent by the browsers of users and sends out web pages.

• Among the popular web servers.

3. M – MySQL

• Database Management System
• Stores keeps records about user details, products or posts.

• Enables the application to read, write, modify and delete information.

 
4. P – PHP

• Server-side Programming Language
• Logic of processes and communicates with the database.

• Produces dynamic web pages and then transmits it to the browser of the user.

How LAMP Stack Works (Architecture Flow)

1. A user opens a website in their browser.
2. The request is sent to the Apache Web Server.
3. If the request requires processing, PHP executes the application code.
4. PHP communicates with the MySQL database to fetch or store data.
5. The processed result is sent back through Apache.
6. The browser displays the webpage to the user.

 Client Browser

     ↓

  Apache Server

     ↓

     PHP

     ↓

   MySQL Database

     ↑

  Response sent back

Example: 

A login page:

• User enters email and password.

• PHP script checks the data in MySQL.

• If correct → Apache sends the dashboard page.

• If incorrect → Error message is shown.

Advantages of LAMP Stack

• Open source and free
• Fast and reliable
• Highly customizable
• Large community support

Real-world Websites Using LAMP
The LAMP stack is used in the construction of many platforms such as WordPress, Drupal, and Joomla.