PHP is an open-source, server-side programming language that can be used to build websites, applications, customer relationship management systems, and more. It is a widely used general-purpose language that can be embedded in HTML. This functionality with HTML means that the PHP language remains popular among developers as it helps simplify HTML code.
What does PHP stand for?
PHP stands for 'PHP: Hypertext Preprocessor, with the native PHP standing for 'Personal Home Page. The acronym has changed to more accurately reflect its nature as the language evolved since its introduction in 1994.
Since its release, there have been 8 versions of PHP as of 2022, with version 8.1 currently a popular choice among those using the language on their websites.
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What is PHP used for?
PHP programming can be used to create most of the things that a software developer needs. However, there are three main areas in which it thrives.
server-side scripting
Server-side scripting is a core strength of PHP. If you are just learning to code and want to explore server-side scripting, PHP is a great language to learn. You'll need a PHP parser, web server, and web browser to get cracking with PHP server-side scripting.
command-line scripting
Command-line scripting is ideal for scripts created using cron (Linux) or Task Scheduler (Windows). It's also great for simple text processing.
writing desktop applications
PHP is probably not the best language to use for building desktop applications, but for the advanced web developer, it gives you many more options than its competitors.
Of course, PHP can do many other things. For example, it excels at collecting form data, encrypting user data, and sending and receiving cookies. One of the key features of PHP that makes it so usable is that it is compatible with all major operating systems so that you can code no matter what technology you are using.
Also read: PHP Interview Questions with answers
How to use PHP?
To code effectively in PHP requires three major things:
PHP Parser: The parser takes PHP code and analyzes it, outputting a corresponding syntax tree that puts the source in an easy-to-read format for machines to understand
Web Server: The server is the program that will execute your PHP files to create the webpage
Web browser: The browser will allow you to view the PHP page through the server in the same way as with any other content on the web
Instructions for setting up PHP requirements can be found on the PHP website.
Benefits of PHP
PHP has remained a popular programming language for almost three decades due to the number of benefits it offers to users and developers. The most important of these are:
It's Cross-Platform: As mentioned above, PHP can be run on any major operating system, so you don't have to worry about compatibility. It also means you can work on a project team and not have to worry about members being able to access the code!
It is open-source: Open source means that PHP is a free programming language, so you don't have to worry about additional costs when building your project.
Many developers understand this: PHP's longevity means you already have a large community to support you, and a vast amount of legacy code to help you get started with projects.
It works wonderfully with HTML: PHP can help simplify your projects and works seamlessly with this major programming language.
As a language, it is relatively easy to learn: because of its simplicity, PHP is faster and easier to use than some other alternatives.
There are lots of tools available: PHP has tools to help you do just about anything, and there's a lot of support for you, including integration, code hints, syntax highlighting and much more.
It Provides Very Good Load Time for Websites: With website performance tied to greater speed, a quick load of PHP can really help you succeed.
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