src/Archangel.php
protected function checkRequiredFields()
    {
        if (empty($this->toAddresses)) {
            return false;
        }
        if (empty($this->subject)) {
            return false;
        }

        if (empty($this->plainMessage) && empty($this->htmlMessage) && empty($this->attachments)) {
            return false;
        }

        return true;
    }
protected function checkRequiredFields()
    {
        if (empty($this->toAddresses)) {
            return false;
        }
        if (empty($this->subject)) {
            return false;
        }

        if (empty($this->plainMessage) && empty($this->htmlMessage) && empty($this->attachments)) {
            return false;
        }

        return true;
    }
protected function checkRequiredFields ( ) { if ( empty ( $ this -> toAddresses ) ) { return false ; } if ( empty ( $ this -> subject ) ) { return false ; } if ( empty ( $ this -> plainMessage ) && empty ( $ this -> htmlMessage ) && empty ( $ this -> attachments ) ) { return false ; } return true ; }
Call to check the minimum required fields

@return boolean whether or not the email meets the minimum required fields
Call to check the minimum required fields