The arithmetic operators, same as in other programing langauges, are the most commonly used group of operators in the PHP. We can say that all the mathematical operations performed in PHP are represented by arithmetic operators.

List of arithmetic operators in PHP

List of arithmetic operators in PHP

Name

Operator

Example

Result

Addition

+

$a+$b

Sum

Subtraction

-

$a-$b

Difference

Multiplication

*

$a*$b

Product

Division

/

$a/$b

Quotient

Modulus

%

$a%$b

Remainder

Exponentiation

**

$a**$b

Exponential rise of $a to the power of $b

 

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