PHP: pow() function

Last update on August 19 2022 21:51:16 (UTC/GMT +8 hours)

Description

The pow() function raises the first number to the power of the second number.

Version:

(PHP 4 and above)

Syntax:

pow(a,b)

Parameters:

Name	Description	Required / Optional	Type
a	The first number or base number to use.	Required	Float/integer
b	The second number or the exponent.	Required	Float/integer

Return value:

The result of raising a to the power of b.

Value Type: Float/integer

Pictorial Presentation

php-math-abc()

Example:

<?php
echo pow(7,3) . '<br>';
echo pow(2,3) . '<br>';
echo pow(-2,3) . '<br>';
echo pow(-2,-3) . '<br>';
echo pow(-2,-3.2) . '<br>';
?>

Output:

343
8
-8
-0.125
NAN

See also

PHP Function Reference

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