gmp_root
PHP function
Edit on GitHub ✎
(PHP 5 >= 5.6.0, PHP 7, PHP 8)
Take the integer part of nth root
Description
gmp_root(GMP|int|string $num, int $nth): GMP
Takes the nth root of num and returns the integer component of the result.
Parameters
numParameter
nthThe positive root to take of
num.
Return Values
The integer component of the resultant root, as a GMP number.
Errors/Exceptions
Throws a ValueError if nth is less than 1, or if nth is even and num is negative.
Prior to PHP 8.0.0, an E_WARNING was raised instead.