gmp_root

(PHP 5, PHP 7 >= 5.6.0)

Take the integer part of nth root

GMP gmp_root ( GMP $a, int $nth )

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

Parameters:

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.

Returns:

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

Links:

http://php.net/manual/en/function.gmp-root.php

doc_php

2016-02-24 16:02:21

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