(PHP 5 >= 5.6.0, PHP 7)
gmp_rootrem — Take the integer part and remainder of nth root
Takes the nth
root of a
and
returns the integer component and remainder of the result.
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
.
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.