gmp_rootrem
PHP function
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(PHP 5 >= 5.6.0, PHP 7, PHP 8)
Take the integer part and remainder of nth root
Description
gmp_rootrem(GMP|int|string $num, int $nth): array
Takes the nth root of num and returns the integer component and remainder of the result.
Parameters
numParameter
nthThe positive root to take of
num.
Return Values
A two element array, where the first element is the integer component of the root, and the second element is the remainder, both represented as GMP numbers.
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.