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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: 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;
- }
- }
-
- ?>