GMP Functions
PHP Manual

gmp_rootrem

Take the integer part and remainder of nth root

Description

array gmp_rootrem ( GMP $a , int $nth )

Takes the nth root of a and returns the integer component and remainder of the result.

Parameters

a

Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.

nth

The positive root to take of a.

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.