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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_powm — Raise number into power with modulo
Calculate (num raised into power
exponent) modulo modulus. If
exponent is negative, result is undefined.
The new (raised) number, as a GMP number.
示例 #1 gmp_powm() example
<?php
$pow1 = gmp_powm("2", "31", "2147483649");
echo gmp_strval($pow1) . "\n";
?>
以上例程会输出：
2147483648
