- private $smtp = NULL;
- private $to = array();
- private $cc = array();
- private $bcc = array();
- private $ReplyTo = array();
- private $all_recipients = array();
- private $attachment = array();
- private $CustomHeader = array();
- private $message_type = '';
- private $boundary = array();
- protected $language = array();
- private $error_count = 0;
- private $sign_cert_file = "";
- private $sign_key_file = "";
- private $sign_key_pass = "";
- private $exceptions = false;
+ /**
+ * @var SMTP An instance of the SMTP sender class
+ * @access protected
+ */
+ protected $smtp = null;
+ /**
+ * @var array An array of 'to' addresses
+ * @access protected
+ */
+ protected $to = array();
+ /**
+ * @var array An array of 'cc' addresses
+ * @access protected
+ */
+ protected $cc = array();
+ /**
+ * @var array An array of 'bcc' addresses
+ * @access protected
+ */
+ protected $bcc = array();
+ /**
+ * @var array An array of reply-to name and address
+ * @access protected
+ */
+ protected $ReplyTo = array();
+ /**
+ * @var array An array of all kinds of addresses: to, cc, bcc, replyto
+ * @access protected
+ */
+ protected $all_recipients = array();
+ /**
+ * @var array An array of attachments
+ * @access protected
+ */
+ protected $attachment = array();
+ /**
+ * @var array An array of custom headers
+ * @access protected
+ */
+ protected $CustomHeader = array();
+ /**
+ * @var string The message's MIME type
+ * @access protected
+ */
+ protected $message_type = '';
+ /**
+ * @var array An array of MIME boundary strings
+ * @access protected
+ */
+ protected $boundary = array();
+ /**
+ * @var array An array of available languages
+ * @access protected
+ */
+ protected $language = array();
+ /**
+ * @var integer The number of errors encountered
+ * @access protected
+ */
+ protected $error_count = 0;
+ /**
+ * @var string The filename of a DKIM certificate file
+ * @access protected
+ */
+ protected $sign_cert_file = '';
+ /**
+ * @var string The filename of a DKIM key file
+ * @access protected
+ */
+ protected $sign_key_file = '';
+ /**
+ * @var string The password of a DKIM key
+ * @access protected
+ */
+ protected $sign_key_pass = '';
+ /**
+ * @var boolean Whether to throw exceptions for errors
+ * @access protected
+ */
+ protected $exceptions = false;