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What is LAMP Stack?

Just like a painter needs paints, canvas, brushes, and a palette to create a masterpiece, software developers need platforms, tools, and languages to build applications. Though in the tech world, one day a particular language becomes the “trend” and the second day another, some tools remain ever-needed. Among such tools stack.

A stack refers to a collection of multiple software that is bundled together to build a platform that supports an application. Layered together one on top of the other, the multiple technologies in a stack work in perfect conjunction with each other to facilitate the smooth working of an application. Working on a simple to understand Last In First Out (LIFO) push-pop mechanism, a stack is used to create a list of function calls and parameters in modern programming.

Probably one of the most widely used implementations of stacks is a LAMP Stack. LAMP Stack is a popular technology stack/platform used by software developers to build and run diverse applications.

If you’re planning to use the LAMP stack for your next application, you need to first understand a few basics related to it. In this post, allow us to introduce you to this technology stack in detail.

What is LAMP Stack?

The word “LAMP” stands for Linux, Apache, MySQL, and PHP. These are the four technologies that are the foundation of the LAMP Stack platform. Developers using the LAMP stack have the freedom to choose Python or Perl languages as alternatives to PHP.

Software developers usually prefer the LAMP stack due to the customization options it offers and its ease of deployment. It’s open-source, and thus free, and is mostly used in back-end development. There’s a large community supporting this stack and it can be used to build a variety of applications.

LAMP Stack is an ideal alternative to costly enterprise software packages. Its architecture is the backbone of several popular content management platforms like WordPress, Drupal, and Joomla. If you’re using any of these Content Management Systems (CMSs), you should know that the LAMP technology stack is working behind the Virtual Private Server or dedicated server used by your website.

Understanding LAMP Stack Architecture

The LAMP stack consists of four layers:

  • Operating System
  • Web Server
  • Database
  • Scripting Language

Now let’s look at the technology stack and its components in detail.

Operating System (In this case, Linux)

The first layer of the LAMP stack consists of the Linux operating system. The OS is the backbone of the technology stack and all other components that run on it. Before you build an application, you must make sure that the Database Management System (DBMS) and the programming language you plan to use are compatible with the OS of your stack. For example, MySQL and PHP work perfectly on Linux. If you’re planning to use ASP, ASP.NET, or SQL though, you need to look for a tech stack that has Windows as the operating system.

Linux is a popular operating system with an extensive user base spanning all across the world. It is used by different industries to build and deploy applications that solve diverse purposes. Most developers can work with the remaining stack components on different operating systems, but they often choose Linux due to the easy configuration and flexibility it offers.

Web Server (In this case, Apache)

The Web Server is the second layer of the LAMP stack. Apache is one of the most widely used web servers to run applications. It’s used by more than 50% of websites on the Internet. There are several reasons to use Apache, for instance, it has a well-developed community and you enjoy extensive support from fellow programmers in case of any problems faced during development. The Apache web server uses HTTP to process requests and carry information over the World Wide Web. It’s a feature-rich and mature ecosystem.

Though developers have options to use alternatives like NGINX, the choice of web server depends on the application’s requirements.

Database (In this case, MySQL)

The database is the third layer of the LAMP technology stack. At this layer, the open-relational database system MySQL is used. MySQL stores all data in an easily retrievable format and makes it simple for developers to write queries that fetch the required information from the database.

One of the reasons to use MySQL as the database is that it works well with structured domains. The database’s structure is robust and it’s currently being used to run many large and complex websites.

Scripting Language (In this case, PHP)

This is the fourth and final layer of the LAMP Stack. PHP is a programming language that performs the role of combining all elements within a framework and running a web application efficiently.

Developers prefer PHP over its alternatives as it works with Apache servers seamlessly to create dynamic web pages. It’s also much more flexible as compared to HTML (which is often considered very limited). HTML pages can’t execute dynamic processes by themselves. They need PHP which can pull data out of a database and perform the required functions. Developers have the option of inserting PHP code into the section of web pages that need to be dynamic, and this reduces coding work. Just one of the reasons PHP is considered one of the best scripting languages out there.

How Does LAMP Stack Work?

The way the elements of the LAMP Stack are organized is pretty simple. The Linux operating system sits at the bottom and serves as a foundation to build your application. Then come Apache, MySQL, and PHP (in that order).

Due to the simple architecture of the stack, the interaction between these layers is also simple. This is how it works:

  • The process starts with the Apache web server receiving requests from a user’s web browser to access certain web pages.
  • If the request is for a PHP file, the request is passed to the PHP layer.
  • Then the PHP file is loaded and the code inside it is executed. If the PHP file has some code for data fetch, it communicates with MySQL and requests it to fetch the required data.
  • Next, PHP uses the data from the database and code in the file. The browser needs this information to create HTML that is used to display the page.
  • The last step revolves around the execution of the PHP file. After the code is executed, the resulting data is passed to the Apache webserver which in turn sends it to the browser. The interconnectivity between the components is made possible by the Linux operating system that runs at the base of the stack.

LAMP stack is capable of handling static as well as dynamic pages. In the case of dynamic pages, the content changes as per user identity, date, and time.

LAMP Stack Derivatives

There can be multiple variants of the LAMP stack based on the types of components used to form the stack. Some of the popular ones are:

  • LAMP (with Python or Perl instead of PHP)
  • LAMP (with MongoDB instead of MySQL)
  • MAMP (macOS X as OS)
  • WAMP (Windows as OS)
  • XAMPP (Any OS + Perl or PHP + FTP Server)
  • LAPP (PostgreSQL as a database)

Usage of LAMP Stack

The primary uses to which the LAMP Stack can be put include:

  • LAMP architecture is considered most suitable for building web applications due to its flexibility and scalability.
  • It is used in many popular web application frameworks due to the easy availability of source codes and a supportive developer community.
  • The technology stack can be upgraded by adding free and open source components. It improves the security of the platform, and also the site performance.

And here’s something interesting – did you know that the Wikimedia Foundation uses a customized LAMP stack to improve its website infrastructure and host its services?

Why is LAMP Stack So Popular?

When a particular technology gathers so much attention and praise, it’s only fair to wonder why.

Here are the primary reasons behind LAMP Stack’s popularity among developers:

1. Scalability

Today, all businesses have to maintain their presence online since a large number of customers come from the Internet. Because of this, they need scalability options when building web applications. LAMP Stack offers significant scalability options. With a few modifications, the technology stack can grow or shrink to meet the needs of a large or small customer base.

2. Platform-independent and secure

LAMP is platform-independent. The technology stack works with Linux, Mac, Windows, Android, and even iOS. Despite being open-source, its architecture is highly secure and the community releases regular updates to make it more robust. The architecture is encrypted which makes the platform incredibly safe to build and deploy applications.

Evaluating LAMP Stack – Pros VS Cons

Like every technology stack, LAMP also has its positives and negatives.

1. Positives

  • Since LAMP Stack is open source and easy to learn, developers acquire the skills to develop applications with it faster.
  • The technology stack is used by thousands of companies to deploy applications and is maintained well. It has got endless libraries, modules, and add-ons that allow you to build applications that can meet your company’s dynamic needs.
  • All components of the stack play a critical role – Linux is a robust platform with a large open-source community. The database component in the form of MySQL is a scalable and reliable solution. The PHP used in the stack integrates well with all components of the stack and delivers fast results, and so on.
  • It allows you to decide the software and the versions that you want to install, and you also have complete control over the server. The stack is your best option if your web application has lots of server-side tasks.

2. Negatives

  • A large number of developers don’t follow best application building practices when working with LAMP Stack, and the result is a lot of useless and poorly built apps.
  • An essential component of the stack – PHP is easy to learn but mastering it is quite hard. Because of this, many times developers are not able to devise the best security for their web apps due to a lack of expertise in PHP. (Technically, this negative can be overcome by replacing PHP with one of the alternatives suggested earlier).

Conclusion

LAMP stack is quite popular amongst developers since all four components of the stack are free and open-source. Also, it’s a technology stack with a proven success track and has been used in some of the top web applications like WordPress and Wikipedia which don’t need an introduction. Developers can share the source code of the applications built with LAMP Stack, and also reuse it for developmental purposes. This eliminates the need for purchasing proprietary software to build and deploy applications. Due to all these reasons, choosing LAMP Stack for your next application development project might be a good bet.

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Vijay Singh Khatri
Vijay Singh Khatri
Graduate in Computer Science, specialized in Digital Marketing. I am very fond of writing tech articles and creating my own blog to teach my audience.

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