In what scenarios or contexts is it recommended to use PEAR:Mime class for processing special characters in PHP?

When dealing with special characters in PHP, it is recommended to use the PEAR:Mime class for processing and encoding these characters. This class provides a reliable and efficient way to handle special characters, ensuring that they are properly encoded and decoded to prevent any issues with data integrity or security vulnerabilities.

require_once 'Mail/mimeDecode.php';

// Initialize the MimeDecode object
$decoder = new Mail_mimeDecode($email_content);

// Decode the email content
$decoded_content = $decoder->decode(array('include_bodies' => true));

// Access the decoded content
echo $decoded_content->headers['subject'];
echo $decoded_content->parts[0]->body;