gmp_pow
gmp_pow
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_pow — Raise number into power
Description
GMP gmp_pow ( GMP $base , int $exp )
Raise base
into power exp
.
Parameters
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"; $pow3 = gmp_pow("2", -1); // Negative exp, generates warning echo gmp_strval($pow3) . "\n"; ?>
The above example will output:
2147483648 1
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.gmp-pow.php