PHP pow() Function
Example
Examples of pow():
<?php
echo(pow(2,4) . "<br>");
echo(pow(-2,4) . "<br>");
echo(pow(-2,-4) .
"<br>");
echo(pow(-2,-3.2));
?>
Run example »
Definition and Usage
The pow() function returns x raised to the power of y.
Syntax
pow(x,y);
| Parameter | Description |
|---|---|
| x | Required. Specifies the base to use |
| y | Required. Specifies the exponent |
Technical Details
| Return Value: | x raised to the power of y |
|---|---|
| Return Type: | Integer if possible, Float otherwise |
| PHP Version: | 4+ |
| PHP Changelog: | PHP 4.0.6: Will now return integer if possible. Earlier it only returned
float PHP 4.2.0: No warning is issued on errors |
PHP Math Reference
