PHP Operators

Write a PHP program to add two numbers

Description: Write a PHP program to find the sum (addition) of two numbers.

Rules and hints:

• Use variables for the numbers and the result.
• Use the plus (+) operator.

PHP program to add two numbers

<?php
$first = 15;
$second = 10;

$sum = $first + $second;

echo "Result: " . $sum;
?>

Output:

How it works

• The two numbers are stored in $first and $second.
• The result of the addition is stored in $sum and printed.

Try this too

• Change the program to subtract, multiply and divide the numbers.
• Take the numbers from an HTML form using $_POST. See PHP Forms Handling.