PHP Manual
GMP Functions
Take the integer part and remainder of nth root

gmp_rootrem

(PHP 5 >= 5.6.0, PHP 7, PHP 8)

gmp_rootrem — 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

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.

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