What are some common pitfalls when dealing with Umlauts in PHP mail scripts?

One common pitfall when dealing with Umlauts in PHP mail scripts is encoding issues, where the special characters may not display correctly in the email. To solve this, you can use the mb_encode_mimeheader function to properly encode the subject line of the email. 

$subject = 'Subject with Umlauts: Öäü';
$encoded_subject = mb_encode_mimeheader($subject, 'UTF-8');

// Then use the encoded subject in the mail function
mail('recipient@example.com', $encoded_subject, 'Message body', 'From: sender@example.com');

Keywords

Umlauts PHP mail scripts character encoding mb_send_mail UTF-8

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