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PHP: pow() function

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

View the example in the browser

See also

PHP Function Reference

Previous: pi
Next: rad2deg



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https://www.w3resource.com/php/function-reference/pow.php