What are some common challenges when reading Unicode files in PHP?

One common challenge when reading Unicode files in PHP is handling different character encodings, as PHP's default encoding may not support all Unicode characters. To solve this, you can use the `mb_convert_encoding` function to convert the file's encoding to UTF-8 before reading it. 

$filename = 'unicode_file.txt';
$contents = file_get_contents($filename);
$contents_utf8 = mb_convert_encoding($contents, 'UTF-8', mb_detect_encoding($contents));
echo $contents_utf8;

Keywords

Unicode PHP file reading character encoding UTF-8

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