GMP Functions
PHP Manual

gmp_root

Take the integer part of nth root

Description

GMP gmp_root(GMPintstring $num, int $nth)

Takes the nth root of num and returns the integer component of the result.

Parameters

num

A GMP object, an int or a numeric string.

nth

The positive root to take of num.

Return Values

The integer component of the resultant root, as a GMP number.