What are the potential pitfalls when trying to convert a string to a different character encoding in PHP?

When converting a string to a different character encoding in PHP, potential pitfalls include losing data if the characters in the original string cannot be represented in the target encoding, and encountering errors if the encoding conversion is not supported. To avoid these issues, it's important to handle encoding errors gracefully and potentially use functions like `mb_convert_encoding()` which can handle a wider range of encodings.

// Example code snippet using mb_convert_encoding to safely convert a string to a different encoding
$originalString = "Hello, 你好";
$targetEncoding = "UTF-8";

$convertedString = mb_convert_encoding($originalString, $targetEncoding, "auto");

echo $convertedString;