What are the recommended resources or libraries for handling attachments in PHP form mailers?

When handling attachments in PHP form mailers, it is recommended to use a library that simplifies the process and ensures proper handling of the attachments. One popular library for this purpose is PHPMailer, which provides a convenient way to send emails with attachments securely. By using PHPMailer, you can easily add attachments to your emails without worrying about the underlying complexities of handling file uploads and MIME types.

// Include the PHPMailer library
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

// Initialize PHPMailer
$mail = new PHPMailer(true);

// Add attachment
$mail->addAttachment('/path/to/file.pdf');

// Send email
$mail->send();