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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: md5_file.php,v 1.3 2005/11/22 08:29:19 aidan Exp $
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/**
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* Replace md5_file()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/md5_file
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision: 1.3 $
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* @since PHP 4.2.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('md5_file')) {
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function md5_file($filename, $raw_output = false)
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{
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// Sanity check
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if (!is_scalar($filename)) {
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user_error('md5_file() expects parameter 1 to be string, ' .
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gettype($filename) . ' given', E_USER_WARNING);
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return;
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}
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if (!is_scalar($raw_output)) {
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user_error('md5_file() expects parameter 2 to be bool, ' .
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gettype($raw_output) . ' given', E_USER_WARNING);
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return;
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}
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if (!file_exists($filename)) {
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user_error('md5_file() Unable to open file', E_USER_WARNING);
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return false;
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}
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// Read the file
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if (false === $fh = fopen($filename, 'rb')) {
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user_error('md5_file() failed to open stream: No such file or directory',
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E_USER_WARNING);
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return false;
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}
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clearstatcache();
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if ($fsize = @filesize($filename)) {
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$data = fread($fh, $fsize);
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} else {
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$data = '';
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while (!feof($fh)) {
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$data .= fread($fh, 8192);
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}
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}
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fclose($fh);
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// Return
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$data = md5($data);
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if ($raw_output === true) {
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$data = pack('H*', $data);
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}
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return $data;
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}
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}
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?>
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