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

gmp_rootrem

(PHP 5 >= 5.6.0, PHP 7)

gmp_rootrem — Take the integer part and remainder of nth root

说明

gmp_rootrem ( GMP $a , int $nth ) : array

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

参数

a: 可以是一个 GMP 数据 resouce，或一个可以转换为数值的字符串。
nth: The positive root to take of a.

返回值

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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