PHP Manual: Convert GMP number to string

string gmp_strval(GMPintstring $num, int $base = 10)

Convert GMP number to string representation in base base. The default base is 10.

num

The GMP number that will be converted to a string.

A GMP object, an int or a numeric string.

base

The base of the returned number. The default base is 10. Allowed values for the base are from 2 to 62 and -2 to -36.

The number, as a string.

Example #1 Converting a GMP number to a string

<?php
$a = gmp_init("0x41682179fbf5");
printf("Decimal: %s, 36-based: %s", gmp_strval($a), gmp_strval($a,36));
?>