PHP Introduction
PHPPHP (Hypertext Preprocessor) is a server-side scripting language. It runs on the server and generates HTML that is sent to the browser.
PHP powers WordPress, Facebook (originally), Wikipedia, and millions of websites.
Why Learn PHP?
- Easy to learn for beginners
- Huge job market in India (WordPress, Laravel)
- Free and open source
- Works on all operating systems
PHP Code Basics
PHP code is written inside <?php ... ?> tags. It can be embedded inside HTML.
<?php
echo "Hello, World!";
echo "<br>";
echo "I am learning PHP!";
?>I am learning PHP!
Interview Questions — PHP Introduction
5 questions commonly asked in interviews
PHP is a server-side scripting language used to create dynamic web pages and interact with databases.
PHP runs on the server and sends output (HTML) to the browser.
PHP runs on the server, while JavaScript runs in the browser.
PHP code is written inside <?php ?> tags.
It is used for backend development, form handling, session management, and database operations.
Frequently Asked Questions
Common doubts about PHP Introduction
Yes, PHP is open-source and free to use.
No, PHP requires a server like Apache or Nginx.
Yes, PHP can connect to MySQL and other databases.
Yes, many websites including WordPress use PHP.
Yes, PHP dynamically generates HTML.
Test Your Knowledge
5 questions · Earn 50 XP
More on PHP Introduction
Cheatsheet, tips, resources & what to learn next
Quick Cheatsheet
<?php echo \"Hello\"; ?>$x = 10;echo \"Text\";print \"Hello\";// commentPro Tips
Always use <?php ?> tags.
Use semicolon at end of statement.
Use meaningful variable names.
Enable error reporting while learning.
Practice small scripts.