Arithmetic operators in PHP

Arithmetic operators in PHP

PHP supports all standard arithmetic operations, as illustrated by the list of Operators .

Common Arithmetic Operators

Operatos	Description
+	Add
–	Subtract
*	Multiply
/	Divide and return quotient
%	Divide and return modulus

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Here’s example illustrating these operators in action

PHP Arithmetic operators are used to perform mathematical operation on more than one operands.
Some of the standard arithmetic operators are +,-,*,/,%.
The use of some common arithmetic operators is here illustrated by an example as follows:-

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Arithmetic operators (+) for addition

<?php $x=10; $y=5; //addition $sum=$x+$y; echo "sum=".$sum."<br/>"; ?>

1 2 3 4 5 6 7 8 9 10

<?php            $x=10;    $y=5; //addition $sum=$x+$y; echo "sum=".$sum."<br/>"; ?>

Output
sum = 15

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Arithmetic operators (-) for subtraction

<?php $x=10; $y=5; //subtraction $sub=$x-$y; echo "sub=".$sub."<br/>"; ?>

1 2 3 4 5 6 7 8 9 10

<?php $x=10; $y=5; //subtraction $sub=$x-$y; echo "sub=".$sub."<br/>"; ?>

Output
sub = 5

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Arithmetic operators (*) for multiplication

<?php $x=10; $y=5; //Multiply $multiply=$x*$y; echo "Multiplication = ".$multiply."<br/>"; ?>

1 2 3 4 5 6 7 8 9 10

<?php                $x=10; $y=5;                //Multiply $multiply=$x*$y; echo "Multiplication = ".$multiply."<br/>"; ?>

Output
Multiplication = 50

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Arithmetic operators (/) for quotient

<?php $x=10; $y=5; //quotient $div=$x/$y; echo "Div = ".$div."<br/>"; ?>

1 2 3 4 5 6 7 8 9 10

<?php $x=10; $y=5; //quotient $div=$x/$y; echo "Div = ".$div."<br/>"; ?>

Output
Div = 2

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Arithmetic operators (%) for remainder

<?php $x=10; $y=3; //remainder $rem=$x%$y; echo "remainder=".$rem."<br/>"; ?>

1 2 3 4 5 6 7 8 9 10 11 12

<?php $x=10; $y=3; //remainder $rem=$x%$y; echo "remainder=".$rem."<br/>"; ?>

Output
sub = 0

$x and $y are two integer variables here
there are five blocks/modules in this example they are to preform addition, subtraction, multiplication, division and modulus respectively.
$x store the value 10,
$y store the value 5.
The output of first module is addition of two values 10 and 5 that is 15 ($x+$y=15).
The output of second module is subtraction of two values 10 and 5 that is 5 ($x-$y=5).
The output of third module is multiplication of two values 10 and 5 that is 50 ($x*$y=50).
The output of fourth module is division of two values 10 and 5 that is 2 ($x/$y=2).
The output of last module is modulus of two values 10 and 3 that is 1 ($x%$y=1).