1 | <?php
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2 | // +----------------------------------------------------------------------+
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3 | // | PHP Version 4 |
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4 | // +----------------------------------------------------------------------+
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5 | // | Copyright (c) 1997-2004 The PHP Group |
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6 | // +----------------------------------------------------------------------+
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7 | // | This source file is subject to version 3.0 of the PHP license, |
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8 | // | that is bundled with this package in the file LICENSE, and is |
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9 | // | available at through the world-wide-web at |
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10 | // | http://www.php.net/license/3_0.txt. |
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11 | // | If you did not receive a copy of the PHP license and are unable to |
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12 | // | obtain it through the world-wide-web, please send a note to |
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13 | // | license@php.net so we can mail you a copy immediately. |
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14 | // +----------------------------------------------------------------------+
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15 | // | Authors: Aidan Lister <aidan@php.net> |
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16 | // +----------------------------------------------------------------------+
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17 | //
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18 | // $Id: md5_file.php,v 1.3 2005/11/22 08:29:19 aidan Exp $
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19 |
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20 |
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21 | /**
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22 | * Replace md5_file()
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23 | *
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24 | * @category PHP
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25 | * @package PHP_Compat
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26 | * @link http://php.net/md5_file
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27 | * @author Aidan Lister <aidan@php.net>
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28 | * @version $Revision: 1.3 $
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29 | * @since PHP 4.2.0
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30 | * @require PHP 4.0.0 (user_error)
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31 | */
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32 | if (!function_exists('md5_file')) {
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33 | function md5_file($filename, $raw_output = false)
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34 | {
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35 | // Sanity check
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36 | if (!is_scalar($filename)) {
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37 | user_error('md5_file() expects parameter 1 to be string, ' .
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38 | gettype($filename) . ' given', E_USER_WARNING);
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39 | return;
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40 | }
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41 |
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42 | if (!is_scalar($raw_output)) {
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43 | user_error('md5_file() expects parameter 2 to be bool, ' .
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44 | gettype($raw_output) . ' given', E_USER_WARNING);
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45 | return;
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46 | }
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47 |
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48 | if (!file_exists($filename)) {
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49 | user_error('md5_file() Unable to open file', E_USER_WARNING);
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50 | return false;
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51 | }
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52 |
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53 | // Read the file
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54 | if (false === $fh = fopen($filename, 'rb')) {
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55 | user_error('md5_file() failed to open stream: No such file or directory',
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56 | E_USER_WARNING);
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57 | return false;
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58 | }
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59 |
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60 | clearstatcache();
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61 | if ($fsize = @filesize($filename)) {
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62 | $data = fread($fh, $fsize);
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63 | } else {
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64 | $data = '';
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65 | while (!feof($fh)) {
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66 | $data .= fread($fh, 8192);
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67 | }
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68 | }
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69 |
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70 | fclose($fh);
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71 |
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72 | // Return
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73 | $data = md5($data);
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74 | if ($raw_output === true) {
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75 | $data = pack('H*', $data);
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76 | }
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77 |
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78 | return $data;
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79 | }
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80 | }
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81 |
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82 | ?> |
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