What is PHP (what is PHP?) And why it is used.

On this important article of Web Development, you will know what PHP is and what it can do.

In 1994, the internet was born as soon as W3C came into history, due to which today we use it for any kind of information. Tim Berners-Lee who is its founder has done a lot of work to develop web levels. The markup language by which a web page is created is the result of these. But why is it necessary to understand “PHP”? Initially, markup language (html, xml etc.) was used to create a web page. You must have seen earlier web pages were very simple. You could see only text on them. That is to say, they did not look like the web pages of today.

As the number of internet users increased, the design of web pages was also improved rapidly. Created CSS in 1998 using which any web page can be designed. The layout, font color appearing on a web page are all designed using css. Several coding languages ​​such as programing language, general purpose programing language, and scripting language were invented to improve web pages. php is a kind of scripting language. Which is used in web development. If you want information about how to create a website, then this article is very important for you.

So, to understand php more closely, we know what PHP is (what is PHP in Hindi) and why php is used.

Table of contents

What is php

The full meaning of PHP is PHP: Hypertext Preprocessor. It is a server side scripting language designed for web development. php is also used for general-purpose programing language.

History of php

PHP was created in 1994 by Rasmussen Lerdarf. Lerdarf initially created it to track his online resume. He named it Personal Home Page Tool (PHP).

Rasmus’s big thinking and more functionality led him to rewrite the php tool and a new php model was created. The database interaction of this new model was more efficient. Through this, a framework was provided to the user. With the help of which users could develop simple dynamic web applications like – guestbook.

In June 1995, Rasmus released the source code for php tools, now developers´ could improve on Dynamic web applications created with the help of this code, as well as fix bugs in the code. In a way, the developer´s had complete permission that they could fit it wherever they wanted.

After this many improvements were made to php. Many programing languages ​​were also developed. In 1997 php 3.0 was released which was the first version of php. It was quite capable from the previous version. After its arrival many limited uses of php came to an end and then it was renamed from PHP home page to PHP Hypertext Preprocessor. After this, php 4.0 has been improved after php 4.0 and now php 5.0 has been released. Modern php is so capable that multitasking websites like Facebook, Amazon, wordpress have been developed with its use.

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What can PHP do?

PHP is a server side scripting language. Through which you can generate a dynamic page. You can open, read, write, delete and close files on a server. php can also add, delete, and modify data in your database. With php you can easily embed Html.

All CGI programs can be done from PHP. CGI program is a program designed to accept and return data as per CGI Specification. With its help, you can collect Form data. Can create dynamic page content and send and receive cookies.

But there are three main areas where php script is used.

• Server Side Scripting – This is a technique used in web development. In which employing script is included in the web server. Which produces a customized response to the request of each user of websites. Server side scripting is the most traditional and main target field for php.
• Writing Desktop Application – PHP is probably not a good language to develop desktop application with graphical user interface. But if you know php very well and want to use some advance php features in your client-side application then you can use PHP GTK.
• Command Line Scripting – You can create a php script to run it without any server or browser. This way you only need php parser to use it. These scripts are also used for simple text processing tasks.

How does PHP work?

PHP Software works with Web Server. This software makes web pages accessible to a user. Think of it like this when you type the URL of a website in the search bar of your Web Browser, then you are sending an msg to the web server by entering that url so that the web server shows that website in your browser.

As soon as the massage is read, the web server sends the Html file of that website to your browser. Your browser falls in the html file and displays the website’s web page in front of you. Now there will be a question in your mind that what is the work of php here. Here php acts as an interface.

Interface means that it converts the request sent in the server into machine language. Whenever a request for a file comes to the server, the php interpreter converts that code and accesses it in the database and picks up the file from there and sends it to the server. After which the server reaches that file to the user.

How to learn PHP Language?

PHP is the most commonly used Programming language on the Internet. This allows you to do much more than Html. With the help of php you can create a Powerful Custom Website. Now if it comes to learning php then learning php is not so difficult. But to make it simple, you need to spend some time learning php. Start learning php with the steps given below.

Information about PHP – Well we have explained in detail what is PHP? But still before learning it, you should know well what PHP is and how it works.

Install Web Server – The important thing you need to learn PHP is Web Server. Through this, all the data that you do will be stored on your server. You will find both free web server and paid web server on internet.

Install Notepad ++ – To write PHP code or create php script you will need some tools, so after installing the web server, download Notepad ++ to write php code.

Search for resources to learn PHP – There are many ways to learn PHP, such as – Online courses, Php Books, Php Learning Websites, Youtube, Php Apps and Php Classes. Out of all these methods, you have to find the best option for you. If you do not want to go towards paid learning, then you can take the support of Internet. There are many websites that share php information in free. Such as – Codecourse, Phpmanual, Killerphp, W3school etc.

What is PHP Advantage?

There are many scripting languages ​​for web development. But why should you choose Php. So let’s know some advantage of php.

Supports all platforms.

All php based applications can run in different types of platforms. Most Operating Systems (Linux, Solaris, Windows, Unix) support php. PHP easily interfaces with MySQL and Apache. This is why php is one of the widely used programing language.

Better Database Connectivity.

Many big e-commerce websites have been developede (Amazon) by PHP. These websites have a good database. Due to which these websites need a good database managment system. For this php has a build-in module. Which helps to connect to the database easily. Due to which the data driven of these websites is fast.

Easy to use

Php is much easier to use than the rest of the Programming Language. begginers do not need any intensive study to learn php. Php Commond Functions are easily understood. You can find out what it does by its Commond Name.

Advantage of Free Platform

PHP is an open source programming language. That’s why php is readily available and completely free of cost. Some support files are paid in the rest of the Scripting language. You can use php anytime, anywhere.

Summary

Dear readers, you have gone through this article What is PHP? And Why PHP is used. Hopefully you will have got the answer to your question through this article. But if you still have any Confusion related to PHP, then you can ask us your question through the comment below. Thank you.