Basic PHP Questions and Answers

Introduction

PHP is one of the most popular server-side scripting languages used for web development. If you are new to PHP or preparing for interviews, understanding the basic PHP questions and answers is very important.
This article covers Top 10 basic PHP questions with simple explanations and practical examples, making it perfect for beginners.

What is PHP?

PHP (Hypertext Preprocessor) is an open-source server-side scripting language used to create dynamic and interactive web applications. PHP code runs on the server and sends the output to the browser as HTML.

<?php
echo "Hello, PHP!";
?>
History of PHP

PHP was created by Rasmus Lerdorf in 1994 as a set of CGI scripts. Over time, it evolved into a powerful programming language.

PHP Versions:

• PHP 3 – First official release
• PHP 4 – Improved performance
• PHP 5 – OOPS support
• PHP 7 – Major performance boost
• PHP 8 – JIT compiler & new features

Features of PHP

PHP has many features that make it popular among developers:

• Open source and free
• Easy to learn and use
• Cross-platform (Windows, Linux, macOS)
• Supports MySQL and other databases
• Fast execution and scalable
• Large community support

PHP vs Other Languages

PHP vs JavaScript

PHP vs Python