PHP - gmp_root() Function

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Definition and Usage

The gmp_root() function returns the integer value for the root.

Description

The gmp_root() takes the nth root of the number given and returns the integer value.

Syntax

gmp_root ( GMP $a , int $nth ) : GMP

Parameters

Return Values

PHP gmp_root() function returns GMP number as integer from the root taken.

PHP Version

This function will work from PHP Version greater than 5.6.0.

Example 1

Working of gmp_root −

<?php
   $num = gmp_root('144', 2);
   echo "The result is : ".$num;
?>

This will produce following result −

The result is : 12

Example 2

Working of gmp_root() −

<?php
   $num = gmp_root('2685619', 3);
   echo "The result is : ".$num;
?>

This will produce following result −

The result is : 139