gmp_root
(PHP 5 >= 5.6.0, PHP 7)
gmp_root — Take the integer part of nth root
说明
Takes the nth
root of a
and returns the integer component 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
The integer component of the resultant root, as a GMP number.