Operators

Operators:-

Arithmetic Operators
Description

There are five basic arithmetic operators.

    + (addition)
    - (subtraction)
    * (multiplication)
     / (division)
    % (modulus)

The operators are summarized in the following table.
Operator     Name     Example     Result
+     Addition     $x + $y     Sum of $x and $y.
-     Subtraction     $x - $y     Difference of $x and $y.
*     Multiplication     $x * $y     Product of $x and $y.
/     Division     $x / $y     Quotient of $x and $y
%     Modulus     $x % $y     Remainder of $x divided by $y.
Example :
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    <?php 
    $x=100; 
    $y=60; 
    echo "The sum of x and y is : ". ($x+$y) ."<br />"; 
    echo "The difference between x and y is : ". ($x-$y) ."<br />"; 
    echo "Multiplication of x and y : ". ($x*$y) ."<br />"; 
    echo "Division of x and y : ". ($x/$y) ."<br />"; 
    echo "Modulus of x and y : " . ($x%$y) ."<br />"; 
    ?> 

Output

The sum of x and y is : 160
The difference between x and y is : 40
Multiplication of x and y : 6000
Division of x and y : 1.6666666666667
Modulus of x and y : 40

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Note : In case of division, the operator returns a float value if the two operands are not integers.


Comparison Operators
Logical Operators
Assignment Operators
Bitwise operator
String operator
Array Operators
Incrementing Decrementing Operators

 

 

“source:http://www.w3resource.com/php/operators/arithmetic-operators.php”