How to Handle UTF-8 Filenames in PHP on Windows?

PHP - Handling UTF-8 Filenames

The challenge presented here involves uploading a file with a UTF-8 filename, such as "Tên Tệp Tiếng Việt.JPG," but encountering a display issue where the filename is garbled with special characters on the local computer.

The provided code lacks the necessary conversion to support UTF-8 filenames in the Windows environment. To address this, the following strategies can be considered:

Option 1: Converting Filename to System Code Page (cp1258)

• Encoding the filename using the system code page can allow the filesystem functions to process it correctly.
• In Windows, the default code page is typically 1258.

• The following code can be used:

  <code class="php">$base_dir = "D:/";
  $fn = $_FILES["upload"]["name"];
  
  $fn2 = iconv("UTF-8","cp1258", $base_dir.$fn);</code>

Option 2: Changing System Code Page to Vietnamese

• Changing the system code page to the Vietnamese code page (1258) can allow the filesystem functions to understand and display Vietnamese characters.
• Go to Control Panel > Region > Administrative > Change system locale and select Vietnamese(Vietnam) in the drop down menu.

Limitations and Considerations:

• Option 1 limits the filename characters to the system code page, which may not support all Vietnamese characters.
• Option 2 requires a system code page change, which can affect other system processes and applications.
• It's important to consider the specific requirements and dependencies of your system before choosing an approach.

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