How to use Arithmetic Operator in PHP

In this article, I will explain how the Arithmetic operator can be used in PHP.
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PHP Operators

PHP language supports following type of operators.

  • Arithmetic Operators
  • Comparison Operators
  • Logical (or Relational) Operators
  • Assignment Operators
  • Conditional (or ternary) Operators

Arithmetic Operators

The operators are summarized in the following table.

Operator Name Description Example Result
a+b Addition Sum of a and b 3+3 6
a-b Subtraction Difference of x and y 10-2 8
a*b Multiplication Product of x and y 2*6 12
a/b Division Quotient of x and y 10/2 5
a%b Modulus Remainder of x divided by y 7%3 1
-a Negation Opposite of x -5  
x.y Concatenation Concatenate two strings "MCN"."Solution" MCNSolution

Example

<html>

<head><title>Arithmetical Operators</title><head>

<body>

<?php

    $a = 84;

    $b = 40; 

    $c = $a + $b;

    echo "Result of Addtion Operator: $c <br/>";

    $c = $a - $b;

    echo "Result of Substraction Operator: $c <br/>";

    $c = $a * $b;

    echo "Result of Multiplication Operator: $c <br/>";

    $c = $a / $b;

    echo "Result of Division Operator: $c <br/>";

    $c = $a % $b;

    echo "Result of Modulus Operator: $c <br/>";

    $c = $a++;

    echo "Result of Increment Operator: $c <br/>";

    $c = $a--;

    echo "Result of Decrement Operator: $c <br/>";

?>

</body>

</html>

 

Output

 

arthmetic.jpg

 

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