framework/mail/BaseMailer.php
protected function createMessage()
    {
        $config = $this->messageConfig;
        if (!array_key_exists('class', $config)) {
            $config['class'] = $this->messageClass;
        }
        $config['mailer'] = $this;
        return Yii::createObject($config);
    }
protected function createMessage()
    {
        $config = $this->messageConfig;
        if (!array_key_exists('class', $config)) {
            $config['class'] = $this->messageClass;
        }
        $config['mailer'] = $this;
        return Yii::createObject($config);
    }
protected function createMessage ( ) { $ config = $ this -> messageConfig ; if ( ! array_key_exists ( 'class' , $ config ) ) { $ config [ 'class' ] = $ this -> messageClass ; } $ config [ 'mailer' ] = $ this ; return Yii :: createObject ( $ config ) ; }
Creates a new message instance.
The newly created instance will be initialized with the configuration specified by [[messageConfig]].
If the configuration does not specify a 'class', the [[messageClass]] will be used as the class
of the new message instance.
@return MessageInterface message instance.
Creates a new message instance . The newly created instance will be initialized with the configuration specified by [[ messageConfig ]] . If the configuration does not specify a class the [[ messageClass ]] will be used as the class of the new message instance .