How Can I Handle UTF-8 Filenames in PHP on Windows?

PHP - Handling UTF-8 Filenames on Windows

Problem Statement

Uploading files with UTF-8 encoded filenames results in distorted characters on Windows.

Proposed Solution

The original proposal to solve this issue involved using the iconv() function to convert the filename to a code page that is compatible with the Windows system, such as CP1258. However, this approach has limitations.

Updated Solution

In reality, PHP filesystem functions can only handle characters that are within the system's active code page. Therefore, two possible solutions arise:

Option 1:

• Restrict filename characters to the system's code page (e.g., CP437 in your case)
• This option limits the use of Vietnamese characters.

Option 2:

• Change the system's code page to Vietnamese (e.g., CP1258)
• Convert the filename to the new code page (e.g., $fn2 = iconv("UTF-8","cp1258", $base_dir.$fn);)
• This option also limits filename characters to the Vietnamese code page 1258.

Disadvantages of Both Options:

• Option 1: Inability to use certain Vietnamese characters
• Option 2: Requirement to change system code page and limitations on filename characters

Additional Information on Changing System Code Page

To change the system's code page:

1. Navigate to Control Panel > Region
2. Select the "Administrative" tab
3. Under "Language for non-Unicode programs," click the "Change system locale" button
4. Select "Vietnamese(Vietnam)" from the drop-down menu

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