(PHP 5 >= 5.6.0, PHP 7, PHP 8)
gmp_root — Take the integer part of nth root
$num, int $nth): GMP
Takes the nth root of num and
returns the integer component of the result.
numUm objeto GMP, um int ou uma string numérica.
nth
The positive root to take of num.
The integer component of the resultant root, as a GMP number.