(PHP 4 >= 4.0.4, PHP 5)
gmp_strval — Convert GMP number to string
$gmpnumber
   [, int $base = 10
  ] )
   Convert GMP number to string representation in base
   base. The default base is 10.  
  
gmpnumber
     The GMP number that will be converted to a string.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
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.
| Version | Description | 
|---|---|
| 5.3.2 | The basewas extended from 2 to 36, to
        2 to 62 and -2 to -36. | 
Note:
To use the extended base introduced in PHP 5.3.2, then PHP must be compiled against GMP 4.2.0 or greater.
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));
?>