public function format($contact)
    {
        if (isset($contact['DisplayName'])) {
            $contact['DisplayName'] = Content::emojiHandle($contact['DisplayName']);
        }

        if (isset($contact['RemarkName'])) {
            $contact['RemarkName'] = Content::emojiHandle($contact['RemarkName']);
        }

        if (isset($contact['Signature'])) {
            $contact['Signature'] = Content::emojiHandle($contact['Signature']);
        }

        $contact['NickName'] = Content::emojiHandle($contact['NickName']);

        return $contact;
    }