BigInteger.php

<?php
/*
 * This file is part of XRL, a simple XML-RPC Library for PHP.
 *
 * Copyright (c) 2012, XRL Team. All rights reserved.
 * XRL is licensed under the 3-clause BSD License.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace fpoirotte\XRL\Types;

class BigInteger extends \fpoirotte\XRL\Types\AbstractInteger
{
    public function __toString()
    {
        return gmp_strval($this->value);
    }

    const XMLRPC_TYPE   = '{http://ws.apache.org/xmlrpc/namespaces/extensions}biginteger';

    public function set($value)
    {
        static $hasGMP = null;

        if (null === $hasGMP) {
            $hasGMP = function_exists("gmp_init");
        }

        if (!$hasGMP) {
            throw new \RuntimeException("The GMP extension is required for this operation to work");
        }

        if (is_object($value) && $value instanceof \GMP) {
            // It is already a GMP integer.
        } else {
            $value = @gmp_init($value, 10);
        }

        if ($value === false) {
            throw new \InvalidArgumentException("A valid big integer was expected");
        }

        $this->value = $value;
    }
}