PHPMailer\PHPMailer\PHPMailer::sign PHP Метод

sign() публичный метод

Set the public and private key files and password for S/MIME signing.
public sign ( string $cert_filename, string $key_filename, string $key_pass, string $extracerts_filename = '' )
$cert_filename string
$key_filename string
$key_pass string Password for private key
$extracerts_filename string Optional path to chain certificate
    public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
    {
        $this->sign_cert_file = $cert_filename;
        $this->sign_key_file = $key_filename;
        $this->sign_key_pass = $key_pass;
        $this->sign_extracerts_file = $extracerts_filename;
    }