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PHP pow() Function

PHP Math Reference

Complete PHP Math Reference

Definition and Usage

The pow() function raises the first argument to the power of the second argument, and returns the result.

Syntax

pow(x,y)

Parameter	Description
x	Required. Specifies the number to be raised
y	Required. The power to which to raise the number

Example

<?php
echo pow(4,2) . "<br />";
echo pow(6,2) . "<br />";
echo pow(-6,2) . "<br />";
echo pow(-6,-2) . "<br />";
echo pow(-6,5.5);
?>

The output of the code above will be:

16
36
36
0.0277777777778
-1.#IND

PHP Math Reference

Complete PHP Math Reference

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