What is php?

The full name of PHP is the Personal Home Page, which was later changed to a PHP: Hypertext Preprocessor. PHP was built in 1994 by Rasmus Lerdorf.
php is a server side scripting language, meaning a scripting language that is executed on the server.PHP is created by Dynamic Website or Web Application. PHP is the most popular scripting language to create any kind of web application.

How Much Essential to Learning PHP?

  1. PHP is used to create the most popular internet sites such as Facebook.
  2. It is also the framework for creating the most dynamic websites on php like laravel, yii, cake php etc
  3. Apart from this, PHP is also used in creating all the Popular Content Management System such as WordPress, Magento, Opencart.

This suggests that if you want to be a good web developer then you need to learn php

How does PHP work?

Whenever a user enters the URL of that website, such as Yahoo.com, to open any page of any website, then a request goes to the server of that website and according to that request, the server’s PHP code on that website will be processed And as the output of this Web-Page opens in our browser i.e. if we want to open Yahoo.com then the page of Yahoo.com opens.

To learn PHP, we need three things.

2.Web Browser
3.Local Server