Jquery File Upload に日本語ファイル名での不具合

ノーマルの状態では問題なく作動するように設置できたのですが
日本語のファイル名に対応させる必要があって
こちら
お茶どうぞ☆･:ﾟ*ｵｫヾ(o´∀｀o)ﾉさんのページを参考にさせて頂いて（というかそのまんま） [sever]→[php]内のindex.phpが下記のソースになりました。
（同ディレクトリの「UploadHandler.php」は一切手を加えていません。）

php
1<?php
2/*
3 * jQuery File Upload Plugin PHP Example
4 * https://github.com/blueimp/jQuery-File-Upload
5 *
6 * Copyright 2010, Sebastian Tschan
7 * https://blueimp.net
8 *
9 * Licensed under the MIT license:
10 * http://www.opensource.org/licenses/MIT
11 */
12
13error_reporting(E_ALL | E_STRICT);
14/*=================================
15=            myOptions            =
16=================================*/
17class myOptions{
18 function get_server_var($id) {
19  return isset($_SERVER[$id]) ? $_SERVER[$id] : '';
20 }
21 function get_full_url() {
22  $https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0;
23  return
24  ($https ? 'https://' : 'http://').
25  (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : '').
26  (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME'].
27   ($https && $_SERVER['SERVER_PORT'] === 443 ||
28    $_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))).
29  substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/'));
30 }
31 function uploadDir(){
32  return dirname($this->get_server_var('SCRIPT_FILENAME'));
33 }
34 function uploadUrl(){
35  return $this->get_full_url();
36 }
37}
38$myOptions=new myOptions();
39$upDirName='files';
40$upDir='/'.$upDirName.'/';
41
42$options=array(
43 'upload_dir' => $myOptions->uploadDir().$upDir,
44 'upload_url' => $myOptions->uploadUrl().$upDir,
45 );
46/*-----  End of myOptions  ------*/
47
48require('UploadHandler.php');
49
50class myHandler extends UploadHandler{
51    function my_basename($str) {
52    $temp = substr(strrchr("/$str",'/'),1);
53        return $temp;
54    }
55        protected function get_version_param() {
56        return isset($_GET['version']) ? $this->my_basename(stripslashes($_GET['version'])) : null;
57    }
58
59    protected function get_file_name_param() {
60        $name = $this->get_singular_param_name();
61        return isset($_GET[$name]) ? $this->my_basename(stripslashes($_GET[$name])) : null;
62    }
63
64    protected function get_file_names_params() {
65        $params = isset($_GET[$this->options['param_name']]) ?
66            $_GET[$this->options['param_name']] : array();
67        foreach ($params as $key => $value) {
68            $params[$key] = $this->my_basename(stripslashes($value));
69        }
70        return $params;
71    }
72    protected function trim_file_name($file_path, $name, $size, $type, $error,
73        $index, $content_range) {
74        $name = trim($this->my_basename(stripslashes($name)), ".\x00..\x20");
75        if (!$name) {
76            $name = str_replace('.', '-', microtime(true));
77        }
78        if (strpos($name, '.') === false &&
79            preg_match('/^image\/(gif|jpe?g|png)/', $type, $matches)) {
80            $name .= '.'.$matches[1];
81        }
82        if (function_exists('exif_imagetype')) {
83            switch(@exif_imagetype($file_path)){
84                case IMAGETYPE_JPEG:
85                $extensions = array('jpg', 'jpeg');
86                break;
87                case IMAGETYPE_PNG:
88                $extensions = array('png');
89                break;
90                case IMAGETYPE_GIF:
91                $extensions = array('gif');
92                break;
93            }
94        if (!empty($extensions)) {
95            $parts = explode('.', $name);
96            $extIndex = count($parts) - 1;
97            $ext = strtolower(@$parts[$extIndex]);
98            if (!in_array($ext, $extensions)) {
99                $parts[$extIndex] = $extensions[0];
100                $name = implode('.', $parts);
101            }
102        }
103    }
104    return $name;
105    }
106    function my_scandir($dir) {
107        $ignored = array('.', '..', '.svn', '.htaccess');
108
109        $files = array();   
110        foreach (scandir($dir) as $file) {
111            if (in_array($file, $ignored)) continue;
112            $files[$file] = filemtime($dir . '/' . $file);
113        }
114
115        arsort($files);
116        $files = array_keys($files);
117
118        return ($files) ? $files : false;
119    }
120    protected function get_file_objects($iteration_method = 'get_file_object') {
121        $upload_dir = $this->get_upload_path();
122        if (!is_dir($upload_dir)) {
123            return array();
124        }
125        return array_values(array_filter(array_map(
126            array($this, $iteration_method),
127            $this->my_scandir($upload_dir)
128            )));
129    }
130}$upload_handler = new myHandler($options);