Sure! Here are some PHP exercises—ranging from beginner to intermediate—to help you practice and master core concepts like variables, arrays, loops, functions, forms, file handling, and more.

? Beginner Exercises

1. Print "Hello, World!"

<?php// TODO: Print Hello, World!?>

2. Add Two Numbers

<?php// TODO: Create two variables and print their sum?>

3. Check Even or Odd

<?php// TODO: Check if a number is even or odd?>

4. Simple Calculator

<?php// TODO: Use if or switch to perform +, -, *, / on two numbers?>

5. Use of if, elseif, else

<?php// TODO: Grade a student using marks (90+ A, 80+ B, etc.)?>

6. Print 1 to 10 Using Loop

<?php// TODO: Use a for or while loop to print numbers 1 to 10?>

7. Create an Array and Loop Through It

<?php// TODO: Create an array of fruits and print each using foreach?>

? Intermediate Exercises

8. Factorial of a Number

<?php// TODO: Write a function to find the factorial of a number?>

9. Reverse a String

<?php// TODO: Write a function to reverse a given string?>

10. Palindrome Checker

<?php// TODO: Check if a word is a palindrome (same forwards and backwards)?>

11. Form Handling - Greet User

<!-- index.php --><form method="post" action="greet.php">  Enter your name: <input type="text" name="name">  <input type="submit"></form>

<!-- greet.php --><?php// TODO: Get the name using $_POST and greet the user?>

12. Find Prime Numbers from 1 to 100

<?php// TODO: Loop from 1 to 100 and print prime numbers only?>

13. Create a Simple Login Form

• HTML form with username and password.

• Validate using PHP and hardcoded credentials.

14. File Upload System

• Create a form to upload files.

• Save the file to a directory and display the file name.

15. Session Example

• Start a session.

• Store a username.

• Access it across two pages.

? Advanced Ideas

• Build a simple To-Do List using PHP and MySQL.

• Make a CRUD (Create, Read, Update, Delete) app.

• Implement AJAX Live Search using PHP + jQuery.

• Create a simple Blog system (users can post, read, delete).