How can PHP be used to handle different email headers and maintain their formatting?

When handling different email headers in PHP, it is important to maintain their formatting to ensure proper display and functionality. One way to achieve this is by using the PHP built-in function `mb_encode_mimeheader()` to encode the headers in the correct format. This function can handle different character sets and special characters, ensuring that the headers are properly formatted for email communication. 

// Example code snippet to handle different email headers and maintain their formatting
$subject = 'Subject with special characters like é and ü';
$encoded_subject = mb_encode_mimeheader($subject, 'UTF-8');

$headers = "From: sender@example.com\r\n";
$headers .= "Reply-To: replyto@example.com\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-Type: text/html; charset=UTF-8\r\n";
$headers .= "Subject: $encoded_subject\r\n";

// Send email
$to = 'recipient@example.com';
$message = 'This is a test email with special characters.';
mail($to, $encoded_subject, $message, $headers);

Keywords

PHP email headers formatting MIME mailparse

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