PHP: gmp_perfect_power - Manual
(PHP 7 >= 7.3.0, PHP 8)
gmp_perfect_power โ Perfect power check
Description
Parameters
num-
A GMP object, an int,
or a string that can be interpreted as a number following the same logic
as if the string was used in gmp_init() with automatic
base detection (i.e. when
baseis equal to 0).