Are there any best practices or resources for handling special characters in PHP, particularly when working with email content?

Special characters in email content can sometimes cause encoding issues, leading to garbled or incorrectly displayed text. To handle special characters in PHP when working with email content, it's best to use functions like `mb_encode_mimeheader()` to properly encode and format the content before sending it in an email. 

// Example of handling special characters in email content
$subject = "Subject with special characters: é, ü, ç";
$encoded_subject = mb_encode_mimeheader($subject, 'UTF-8');
$email_content = "Email content with special characters: é, ü, ç";
$encoded_content = mb_convert_encoding($email_content, 'UTF-8', 'UTF-8');
$headers = "From: sender@example.com\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-Type: text/plain; charset=UTF-8\r\n";
$headers .= "Content-Transfer-Encoding: 8bit\r\n";

// Send email
mail('recipient@example.com', $encoded_subject, $encoded_content, $headers);

Keywords

PHP special characters email content encoding htmlspecialchars

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