In what scenarios would using mb_encode_mimeheader() with base64 encoding be beneficial for resolving character encoding issues in PHPMailer?

When sending emails with PHPMailer, you may encounter character encoding issues when dealing with non-ASCII characters in email headers. To resolve this, you can use the mb_encode_mimeheader() function with base64 encoding to ensure proper encoding of headers containing special characters. 

// Example code snippet demonstrating the use of mb_encode_mimeheader() with base64 encoding in PHPMailer
$subject = "Résumé"; // Example subject with non-ASCII character
$subject = mb_encode_mimeheader($subject, 'UTF-8', 'B');

// Set the subject of the email using the encoded value
$mail->Subject = $subject;

Keywords

mb_encode_mimeheader base64 encoding character encoding PHPMailer scenarios

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