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filemtime() [function.filemtime]：带有变音符号的文件名统计失败

发布于 2024-12-08 00:40:37 字数 696 浏览 0 评论 0 原文

我使用 PHP 函数 filemtime 来获取 PHP 5.3 的最后修改时间。这个函数工作得很好，但是当文件名包含特殊字符（例如变音符号）时，它似乎会出现一些问题。

如果我在带有变音符号的文件名上运行它

$stat = filemtime('C:/pictures/München.JPG');

，那么我会得到输出：

Warning: filemtime() [function.filemtime]: stat failed for C:/pictures/München.JPG

如果我将文件从“München.JPG”重命名为“Muenchen.JPG”并再次执行相同的操作：

 $stat = filemtime('C:/pictures/Muenchen.JPG');

一切正常！

我的PHP文件保存为UTF-8无BOM，我也尝试过：

clearstatcache();
$stat = filemtime(utf8_encode('C:/pictures/München.JPG'));

但没有帮助。

原文

I use the PHP function filemtime to get the last modification time with PHP 5.3. This functions works very well but it seems to have some problems when the filenames have special characters (for example umlauts).

If I run it on a filename with umlauts

$stat = filemtime('C:/pictures/München.JPG');

then I get the output:

Warning: filemtime() [function.filemtime]: stat failed for C:/pictures/München.JPG

If I rename the file from "München.JPG" to "Muenchen.JPG" and do the same thing again:

 $stat = filemtime('C:/pictures/Muenchen.JPG');

everything works fine!

My PHP file is saved as UTF-8 without BOM and I also tried:

clearstatcache();
$stat = filemtime(utf8_encode('C:/pictures/München.JPG'));

but it has not helped.

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别挽留 2024-12-15 00:40:37

通过以下代码片段，我发现 Windows 7 上的文件编码是“ISO-8859-1”：

$scandir = scandir('.')
$encoding = mb_detect_encoding($scandir[0], 'ISO-8859-1, UTF-8, ASCII');
echo $encoding;

我已阅读 utf8_decode 将 UTF-8 字符串转换为 ISO-8859-1，所以我最终得到了适用于我的项目的小代码：

$file = 'C:/pictures/München.JPG';
$lastModified = @filemtime($file);
if($lastModified == NULL)
    $lastModified = filemtime(utf8_decode($file));
echo $lastModified;

感谢所有提交的人一条评论。你引导我走向正确的方向。 :-)

With the following code snippet I found out that the file encoding on Windows 7 is "ISO-8859-1":

$scandir = scandir('.')
$encoding = mb_detect_encoding($scandir[0], 'ISO-8859-1, UTF-8, ASCII');
echo $encoding;

I've read that utf8_decode converts a UTF-8 string to ISO-8859-1 so I ended up with this small code that works for my project:

$file = 'C:/pictures/München.JPG';
$lastModified = @filemtime($file);
if($lastModified == NULL)
    $lastModified = filemtime(utf8_decode($file));
echo $lastModified;

Thank you to all who have submitted a comment. You have steered me in the right direction. :-)

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音栖息无 2024-12-15 00:40:37

试试这个

$dir    = 'uploads/';

        if (is_dir($dir)) { if ($dh = opendir($dir)) {

            while (($file = readdir($dh)) !== false) {                
                clearstatcache();
                if(is_file($dir."/".$file)) {                    
                    echo $file;
                    echo " - ";                    
                    echo "Last modified: " . date ("F d, Y H:i:s.", filemtime(utf8_decode($dir."/".$file)));
                    echo "<br>";
                }                
            }            

            echo "<br>";
            closedir($dh);
        }
    }

try this

$dir    = 'uploads/';

        if (is_dir($dir)) { if ($dh = opendir($dir)) {

            while (($file = readdir($dh)) !== false) {                
                clearstatcache();
                if(is_file($dir."/".$file)) {                    
                    echo $file;
                    echo " - ";                    
                    echo "Last modified: " . date ("F d, Y H:i:s.", filemtime(utf8_decode($dir."/".$file)));
                    echo "<br>";
                }                
            }            

            echo "<br>";
            closedir($dh);
        }
    }

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