gmp_rootrem

PHP 5 >= 5.6.0, PHP 7, PHP 8
gmp_rootrem - Take the integer part and remainder of nth root
Manual

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

num

A GMP object, an int or a numeric string.

nth

The 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.