Rev 130 Rev 139
Line 1... Line 1...
1 <?php 1 <?php
2 // +----------------------------------------------------------------------+ 2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 | 3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+ 4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group | 5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+ 6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, | 7 // | This source file is subject to version 3.0 of the PHP license, |
8 // | that is bundled with this package in the file LICENSE, and is | 8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at | 9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. | 10 // | http://www.php.net/license/3_0.txt. |
11 // | If you did not receive a copy of the PHP license and are unable to | 11 // | If you did not receive a copy of the PHP license and are unable to |
12 // | obtain it through the world-wide-web, please send a note to | 12 // | obtain it through the world-wide-web, please send a note to |
13 // | license@php.net so we can mail you a copy immediately. | 13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+ 14 // +----------------------------------------------------------------------+
15 // | Authors: Michael Wallner <mike@php.net> | 15 // | Authors: Michael Wallner <mike@php.net> |
16 // | Aidan Lister <aidan@php.net> | 16 // | Aidan Lister <aidan@php.net> |
17 // +----------------------------------------------------------------------+ 17 // +----------------------------------------------------------------------+
18 // 18 //
19 // $Id: convert_uuencode.php,v 1.7 2005/01/26 04:55:13 aidan Exp $ 19 // $Id: convert_uuencode.php,v 1.7 2005/01/26 04:55:13 aidan Exp $
20   20  
21   21  
22 /** 22 /**
23 * Replace convert_uuencode() 23 * Replace convert_uuencode()
24 * 24 *
25 * @category PHP 25 * @category PHP
26 * @package PHP_Compat 26 * @package PHP_Compat
27 * @link http://php.net/function.convert_uuencode 27 * @link http://php.net/function.convert_uuencode
28 * @author Michael Wallner <mike@php.net> 28 * @author Michael Wallner <mike@php.net>
29 * @author Aidan Lister <aidan@php.net> 29 * @author Aidan Lister <aidan@php.net>
30 * @version $Revision: 1.7 $ 30 * @version $Revision: 1.7 $
31 * @since PHP 5 31 * @since PHP 5
32 * @require PHP 4.0.0 (user_error) 32 * @require PHP 4.0.0 (user_error)
33 */ 33 */
34 if (!function_exists('convert_uuencode')) { 34 if (!function_exists('convert_uuencode')) {
35 function convert_uuencode($string) 35 function convert_uuencode($string)
36 { 36 {
37 // Sanity check 37 // Sanity check
38 if (!is_scalar($string)) { 38 if (!is_scalar($string)) {
39 user_error('convert_uuencode() expects parameter 1 to be string, ' . 39 user_error('convert_uuencode() expects parameter 1 to be string, ' .
40 gettype($string) . ' given', E_USER_WARNING); 40 gettype($string) . ' given', E_USER_WARNING);
41 return false; 41 return false;
42 } 42 }
43   43  
44 $u = 0; 44 $u = 0;
45 $encoded = ''; 45 $encoded = '';
46 46
47 while ($c = count($bytes = unpack('c*', substr($string, $u, 45)))) { 47 while ($c = count($bytes = unpack('c*', substr($string, $u, 45)))) {
48 $u += 45; 48 $u += 45;
49 $encoded .= pack('c', $c + 0x20); 49 $encoded .= pack('c', $c + 0x20);
50   50  
51 while ($c % 3) { 51 while ($c % 3) {
52 $bytes[++$c] = 0; 52 $bytes[++$c] = 0;
53 } 53 }
54   54  
55 foreach (array_chunk($bytes, 3) as $b) { 55 foreach (array_chunk($bytes, 3) as $b) {
56 $b0 = ($b[0] & 0xFC) >> 2; 56 $b0 = ($b[0] & 0xFC) >> 2;
57 $b1 = (($b[0] & 0x03) << 4) + (($b[1] & 0xF0) >> 4); 57 $b1 = (($b[0] & 0x03) << 4) + (($b[1] & 0xF0) >> 4);
58 $b2 = (($b[1] & 0x0F) << 2) + (($b[2] & 0xC0) >> 6); 58 $b2 = (($b[1] & 0x0F) << 2) + (($b[2] & 0xC0) >> 6);
59 $b3 = $b[2] & 0x3F; 59 $b3 = $b[2] & 0x3F;
60 60
61 $b0 = $b0 ? $b0 + 0x20 : 0x60; 61 $b0 = $b0 ? $b0 + 0x20 : 0x60;
62 $b1 = $b1 ? $b1 + 0x20 : 0x60; 62 $b1 = $b1 ? $b1 + 0x20 : 0x60;
63 $b2 = $b2 ? $b2 + 0x20 : 0x60; 63 $b2 = $b2 ? $b2 + 0x20 : 0x60;
64 $b3 = $b3 ? $b3 + 0x20 : 0x60; 64 $b3 = $b3 ? $b3 + 0x20 : 0x60;
65 65
66 $encoded .= pack('c*', $b0, $b1, $b2, $b3); 66 $encoded .= pack('c*', $b0, $b1, $b2, $b3);
67 } 67 }
68   68  
69 $encoded .= "\n"; 69 $encoded .= "\n";
70 } 70 }
71 71
72 // Add termination characters 72 // Add termination characters
73 $encoded .= "\x60\n"; 73 $encoded .= "\x60\n";
74   74  
75 return $encoded; 75 return $encoded;
76 } 76 }
77 } 77 }
78   78  
79 ?> 79 ?>
80 80