PHP Arithmetic Operations

Arithmetic operators perform basic math operations like add, subtract, multiply etc.

Operator	Name	Example
+	Addition	$a + $b
-	Subtraction	$a - $b
*	Multiplication	$a * $b
/	Division	$a / $b
%	Modulus (Remainder)	$a % $b

Addition

<?php
$x = 10;
$y = 5;
echo "Addition: " . ($x + $y);
?>

Output: Addition: 15

Subtraction

<?php
$x = 10;
$y = 5;
echo "Subtraction: " . ($x - $y);
?>

Output: Subtraction: 5

Multiplication

<?php
$x = 10;
$y = 5;
echo "Multiplication: " . ($x * $y);
?>

Output: Multiplication: 50

Division

<?php
$x = 10;
$y = 5;
echo "Division: " . ($x / $y);
?>

Output: Division: 2