gmp_pow

gmp_pow

Raise number into power

GMP **gmp_pow**  $num int $exponent

Raise into power . num``exponent

numThe base number.

exponent The positive power to raise the . num

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

Voorbeeld: 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";
?>

2147483648
1