What potential issues can arise with displaying special characters like umlauts in PHP when working with dates?

Special characters like umlauts can cause issues with displaying dates in PHP if the character encoding is not properly set. To solve this issue, you can use the `utf8_encode()` function to convert the string to UTF-8 encoding before displaying it. 

$date = "März 15, 2022";
$encoded_date = utf8_encode($date);
echo $encoded_date;

Keywords

UTF-8 encoding htmlentities htmlspecialchars date formatting

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