1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
<?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: Aidan Lister <aidan@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: md5_file.php,v 1.3 2005/11/22 08:29:19 aidan Exp $
/**
* Replace md5_file()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/md5_file
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 1.3 $
* @since PHP 4.2.0
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('md5_file')) {
function md5_file($filename, $raw_output = false)
{
// Sanity check
if (!is_scalar($filename)) {
user_error('md5_file() expects parameter 1 to be string, ' .
gettype($filename) . ' given', E_USER_WARNING);
return;
}
if (!is_scalar($raw_output)) {
user_error('md5_file() expects parameter 2 to be bool, ' .
gettype($raw_output) . ' given', E_USER_WARNING);
return;
}
if (!file_exists($filename)) {
user_error('md5_file() Unable to open file', E_USER_WARNING);
return false;
}
// Read the file
if (false === $fh = fopen($filename, 'rb')) {
user_error('md5_file() failed to open stream: No such file or directory',
E_USER_WARNING);
return false;
}
clearstatcache();
if ($fsize = @filesize($filename)) {
$data = fread($fh, $fsize);
} else {
$data = '';
while (!feof($fh)) {
$data .= fread($fh, 8192);
}
}
fclose($fh);
// Return
$data = md5($data);
if ($raw_output === true) {
$data = pack('H*', $data);
}
return $data;
}
}
?>
|