gmp_pow

(PHP 4 >= 4.0.4, PHP 5)

gmp_powRaise number into power

Beskrivelse

resource gmp_pow ( resource $base , int $exp )

Raise base into power exp.

Parametre

base

The base number.

It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

exp

The positive power to raise the base.

Returnerings Værdier

The new (raised) number, as a GMP number. The case of 0^0 yields 1.

Eksempler

Eksempel #1 gmp_pow() example

<?php
$pow1 
gmp_pow("2"31);
echo 
gmp_strval($pow1) . "\n";
$pow2 gmp_pow("0"0);
echo 
gmp_strval($pow2) . "\n";
$pow3 gmp_pow("2", -1); // Negative exp, generates warning
echo gmp_strval($pow3) . "\n";
?>

The above example will output:

2147483648
1

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User Contributed Notes 1 note

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-6
rahulkadukar at yahoo dot com
12 years ago
A Sample code can be shown as

<?php
echo gmp_strval(gmp_pow(4,4)); //This would give the answer as 256
?>
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