gmp_pow
(PHP 4 >= 4.0.4, PHP 5)
gmp_pow — Raise number into power
Description
resource gmp_pow
( resource $base
, int $exp
)
Parameters
-
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
.
Return Values
The new (raised) number, as a GMP number. The case of
0^0 yields 1.
Examples
Example #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";
$pow3 = gmp_pow("2", -1); echo gmp_strval($pow3) . "\n";
?>
The above example will output:
gmp_popcount
