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What is php?

   What is php?
The full meaning of PHP is PHP: Hypertext is Preprocessor. This is a Server side scripting language designed for web development. php is also used for general-purpose programing language. In the year 1993, when we came to the history of W3C, internet was born, due to which we now use it for any kind of information. Tim Berners-Lee, who is its founder, has worked a lot to develop web levels. The markup language by which a web page is created is the same. But why is it all necessary to understand "PHP"? Initially, markup language (html, xml etc.) was used to create web pages. You should have noticed that earlier web pages were very simple. You just got to see text on them. To say it does not look like the web pages of today's time.

As the number of internet users increased, there was also a rapid improvement in the design of the growing web pages. Built in 1998, CSS can be used to design any web page. The layouts that are visible on a web page, font colors are designed using all css. Many coding languages ​​like programing language, general purpose programing language, and scripting language were invented to improve such 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 to you.
So let's get to know php more closely. What is PHP? And why php is used.

   History of PHP:-
PHP was created by Rasmussen Lerdarf in 1994. Lerdarf initially made it to track his online resume. Which he named Personal Home Page Tool (PHP).

Due to the great thinking and greater functionality of Rasmus, he started to rewrite the php tool and a new php model was created. The database interaction of this new model was more efficient. This provided a framework to the user. With the help of which users could develop simple dynamic web applications like - guestbook.

In June 1995, Rasmus released 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 code. In a way, the developer was allowed to fit in whatever they could fit in their own way.

After this, many improvements have been made in php. Many programing languages ​​have also been developed. In php 3.0 was released in 1997 which was the first version of php. It was quite capable of the previous version. After its introduction, many of the php's limited use was over and then its name was changed from PHP home page to PHP Hypertext Preprocessor. After this php has been updated to php 3.0 and php 4.0 and now php 5.0 has been released. Modern php is so efficient that multitasking websites such as Facebook, Amazon, WordPress have been developed using it.

   What can PHP do?:-
PHP is a Server side scripting language. By which you can genrate the dynamic page. Can open, read, write, delete and close files on a server. php can also add, delete, and modify data in your database. You can easily embed HTML with php.

All CGI programs can do with PHP. CGI Program is a program designed to accept and return data corresponding to CGI Specification. With this help you can collect Form data. Create dynamic page content and can 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 the employmenting script is included in the web server. Which generates a favorable response to every user's request on the 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 a desktop application with a graphical user interface. But if you know php very well and want to use some advanced 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. In this way you only need php parser to use it. These scripts are also used for simple text processing tasks.

   How does PHP work?:-
Works with PHP Software Web Server It accesss the software web pages to a user. Think of it as if you type the URL of a website in your web browser's search bar, then you are entering a url by sending a message to the web server that the web server showed that website in your browser.

As you read the massage, the web server sends that website's Html file to your browser. Your browser does a html file and displays the website's webpage in front of you. Now you will have a question about php's work here. Here php works as an interface.

Interface means that it converts the request sent to server into machine language. Whenever a request for a file comes from the server, then the php interpreter can access the database by converting that code and lifting the file from there to the server. After which the server accesses that file to the user.

   How to Learn PHP Language?:-
PHP is the most widely used programming language on the internet. This allows you to do more than HTML. You can create Powerful Custom Website with the help of php. Now if it comes to learning php then php is not hard to learn. But to make it simple, you have to give some time to learn php. The beginning of learning php you do with the steps outlined below.

   Information about PHP - 
Well we have explained in detail what PHP is? But even before learning about it, let's know what PHP is and how it works.

→ Install Web Server - 
What you need to do to learn PHP is Web Server. All the work you do through this will store all the data on this server. You will find both free web server and paid web server on the internet.

→ Install Notepad ++ - 
You will need some tools to write PHP code or to create php script. That's why after downloading a web server, download php code and download Notepad ++ too.

→ Find PHP resources for learning - 
There are many ways to learn PHP, like - Online courses, Php Books, Php Learning Websites, Youtube, Php Apps and Php Classes. In all of these ways, you have to find the best option for yourself. If you do not want to go to paid learning then you can resort to internet. There are many websites that share php information free. E.g. Codecourse, Phpmanual, Killerphp, W3school etc.

   What is PHP Advantage?:-
There are several scripting languages ​​for web development. But why choose you php? So lets know some of the php benefits.

→ Supports all Platform.:-
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 languages.

→ Better Database Connectivity:-
Many large e-commerce websites have been developed (Amazon) through PHP. These websites have a great database. Due to which these websites need a good database managment system. For this php has a build-in module. Which easily helps in connecting to the database. Due to which these websites are data driven faster.

→ Easy to use:-
The rest is very easy to use php than Programming Language. Begginers do not require any intensive study to learn php. Php Commond Functions are easily understood. You can find out from its Commond Name only what it does.

→ Advantage of free platform:-
PHP is an open source programming language. That is why php is easily available and is completely free of cost. Some support files are paid in the rest of the scripting language. You can use php at any time.

So thank you friends for reading my article if you have any suggestion or question comment below.

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