Getters for 'yii\swiftmailer\Message' fixed.

Mailer.php

@@ -108,7 +108,7 @@ class Mailer extends BaseMailer
 	{
 		$address = $message->getTo();
 		if (is_array($address)) {
-			$address = implode(', ', $address);
+			$address = implode(', ', array_keys($address));
 		}
 		Yii::trace('Sending email "' . $message->getSubject() . '" to "' . $address . '"', __METHOD__);
 		return $this->getSwiftMailer()->send($message->getSwiftMessage()) > 0;

Message.php

@@ -44,7 +44,7 @@ class Message extends BaseMessage
 	 */
 	public function getCharset()
 	{
-		$this->getSwiftMessage()->getCharset();
+		return $this->getSwiftMessage()->getCharset();
 	}
 
 	/**
@@ -61,7 +61,7 @@ class Message extends BaseMessage
 	 */
 	public function getFrom()
 	{
-		$this->getSwiftMessage()->getFrom();
+		return $this->getSwiftMessage()->getFrom();
 	}
 
 	/**
@@ -78,7 +78,7 @@ class Message extends BaseMessage
 	 */
 	public function getReplyTo()
 	{
-		$this->getSwiftMessage()->getReplyTo();
+		return $this->getSwiftMessage()->getReplyTo();
 	}
 
 	/**
@@ -95,7 +95,7 @@ class Message extends BaseMessage
 	 */
 	public function getTo()
 	{
-		$this->getSwiftMessage()->getTo();
+		return $this->getSwiftMessage()->getTo();
 	}
 
 	/**
@@ -112,7 +112,7 @@ class Message extends BaseMessage
 	 */
 	public function getCc()
 	{
-		$this->getSwiftMessage()->getCc();
+		return $this->getSwiftMessage()->getCc();
 	}
 
 	/**
@@ -129,7 +129,7 @@ class Message extends BaseMessage
 	 */
 	public function getBcc()
 	{
-		$this->getSwiftMessage()->getBcc();
+		return $this->getSwiftMessage()->getBcc();
 	}
 
 	/**
@@ -146,7 +146,7 @@ class Message extends BaseMessage
 	 */
 	public function getSubject()
 	{
-		$this->getSwiftMessage()->getSubject();
+		return $this->getSwiftMessage()->getSubject();
 	}
 
 	/**