Fix: dynamic properties deprecation (pear#22)

Initialized several undefined variables and properties
Fix bug giving port to constructor in smtpmx.php

Mail/RFC822.php

@@ -232,6 +232,9 @@ public function parseAddressList($address = null, $default_domain = null, $nest_
      */
     protected function _splitAddresses($address)
     {
+        $is_group = false;
+        $split_char = ',';
+
         if (!empty($this->limit) && count($this->addresses) == $this->limit) {
             return '';
         }
@@ -442,6 +445,7 @@ protected function _hasUnclosedBracketsSub($string, &$num, $char)
      */
     protected function _validateAddress($address)
     {
+        $structure = null;
         $is_group = false;
         $addresses = array();
 
@@ -619,6 +623,7 @@ public function validateMailbox(&$mailbox)
         $phrase  = '';
         $comment = '';
         $comments = array();
+        $addr_spec = null;
 
         // Catch any RFC822 comments and store them separately.
         $_mailbox = $mailbox;
@@ -776,6 +781,7 @@ protected function _validateDomain($domain)
     {
         // Note the different use of $subdomains and $sub_domains
         $subdomains = explode('.', $domain);
+        $sub_domains = array();
 
         while (count($subdomains) > 0) {
             $sub_domains[] = $this->_splitCheck($subdomains, '.');

Mail/smtp.php

@@ -206,6 +206,19 @@ class Mail_smtp extends Mail {
      */
     var $socket_options = array();
 
+    /**
+     * If the message ends up in the queue, on the recipient server,
+     * the response will be saved here.
+     * Some successfully delivered emails will include a “queued”
+     * notation in the SMTP response, such as "250 OK; queued as 12345".
+     * This indicates that the email was delivered to the recipient
+     * as expected, but may require additional processing before it
+     * lands in the recipient’s inbox.
+     *
+     * @var string
+     */
+    var $queued_as = null;
+
     /**
      * Constructor.
      *

Mail/smtpmx.php

@@ -227,9 +227,9 @@ function __construct($params)
 
         // port number
         if (isset($params['port'])) {
-            $this->_port = $params['port'];
+            $this->port = $params['port'];
         } else {
-            $this->_port = getservbyname('smtp', 'tcp');
+            $this->port = getservbyname('smtp', 'tcp');
         }
 
         if (isset($params['timeout'])) $this->timeout = $params['timeout'];