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- <?php
- // +----------------------------------------------------------------------+
- // | PHP Version 4 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 1997-2004 The PHP Group |
- // +----------------------------------------------------------------------+
- // | This source file is subject to version 3.0 of the PHP license, |
- // | that is bundled with this package in the file LICENSE, and is |
- // | available at through the world-wide-web at |
- // | http://www.php.net/license/3_0.txt. |
- // | If you did not receive a copy of the PHP license and are unable to |
- // | obtain it through the world-wide-web, please send a note to |
- // | license@php.net so we can mail you a copy immediately. |
- // +----------------------------------------------------------------------+
- // | Authors: Michael Wallner <mike@php.net> |
- // | Aidan Lister <aidan@php.net> |
- // +----------------------------------------------------------------------+
- //
- // $Id: convert_uudecode.php,v 1.8 2005/01/26 04:55:13 aidan Exp $
-
-
- /**
- * Replace convert_uudecode()
- *
- * @category PHP
- * @package PHP_Compat
- * @link http://php.net/function.convert_uudecode
- * @author Michael Wallner <mike@php.net>
- * @author Aidan Lister <aidan@php.net>
- * @version $Revision: 1.8 $
- * @since PHP 5
- * @require PHP 4.0.0 (user_error)
- */
- if (!function_exists('convert_uudecode')) {
- function convert_uudecode($string)
- {
- // Sanity check
- if (!is_scalar($string)) {
- user_error('convert_uuencode() expects parameter 1 to be string, ' .
- gettype($string) . ' given', E_USER_WARNING);
- return false;
- }
-
- if (strlen($string) < 8) {
- user_error('convert_uuencode() The given parameter is not a valid uuencoded string', E_USER_WARNING);
- return false;
- }
-
- $decoded = '';
- foreach (explode("\n", $string) as $line) {
-
- $c = count($bytes = unpack('c*', substr(trim($line), 1)));
-
- while ($c % 4) {
- $bytes[++$c] = 0;
- }
-
- foreach (array_chunk($bytes, 4) as $b) {
- $b0 = $b[0] == 0x60 ? 0 : $b[0] - 0x20;
- $b1 = $b[1] == 0x60 ? 0 : $b[1] - 0x20;
- $b2 = $b[2] == 0x60 ? 0 : $b[2] - 0x20;
- $b3 = $b[3] == 0x60 ? 0 : $b[3] - 0x20;
-
- $b0 <<= 2;
- $b0 |= ($b1 >> 4) & 0x03;
- $b1 <<= 4;
- $b1 |= ($b2 >> 2) & 0x0F;
- $b2 <<= 6;
- $b2 |= $b3 & 0x3F;
-
- $decoded .= pack('c*', $b0, $b1, $b2);
- }
- }
-
- return rtrim($decoded, "\0");
- }
- }
-
- ?>