createEmailFromRelatedPart example

// try to convert to a "simple" Email instance         $body = $message->getBody();
        if ($body instanceof TextPart) {
            return self::createEmailFromTextPart($message, $body);
        }

        if ($body instanceof AlternativePart) {
            return self::createEmailFromAlternativePart($message, $body);
        }

        if ($body instanceof RelatedPart) {
            return self::createEmailFromRelatedPart($message, $body);
        }

        if ($body instanceof MixedPart) {
            $parts = $body->getParts();
            if ($parts[0] instanceof RelatedPart) {
                $email = self::createEmailFromRelatedPart($message, $parts[0]);
            } elseif ($parts[0] instanceof AlternativePart) {
                $email = self::createEmailFromAlternativePart($message, $parts[0]);
            } elseif ($parts[0] instanceof TextPart) {
                $email = self::createEmailFromTextPart($message, $parts[0]);
            } else {
                

// try to convert to a "simple" Email instance         $body = $message->getBody();
        if ($body instanceof TextPart) {
            return self::createEmailFromTextPart($message, $body);
        }

        if ($body instanceof AlternativePart) {
            return self::createEmailFromAlternativePart($message, $body);
        }

        if ($body instanceof RelatedPart) {
            return self::createEmailFromRelatedPart($message, $body);
        }

        if ($body instanceof MixedPart) {
            $parts = $body->getParts();
            if ($parts[0] instanceof RelatedPart) {
                $email = self::createEmailFromRelatedPart($message, $parts[0]);
            } elseif ($parts[0] instanceof AlternativePart) {
                $email = self::createEmailFromAlternativePart($message, $parts[0]);
            } elseif ($parts[0] instanceof TextPart) {
                $email = self::createEmailFromTextPart($message, $parts[0]);
            } else {