Php/docs/function.gmp-pow
From Get docs
gmp_pow
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_pow — Raise number into power
Parameters
base
The base number.
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided 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";$pow3 = gmp_pow("2", -1); // Negative exp, generates warningecho gmp_strval($pow3) . "\n";?>
The above example will output:
2147483648 1