winframework / winphp

            return false;

        }

        if ('Reply-To' != $kind) {

            if (!array_key_exists(strtolower($address), $this->all_recipients)) {

                array_push($this->$kind, [$address, $name]);

                $this->all_recipients[strtolower($address)] = true;

                return true;

            }

        } else {

            if (!array_key_exists(strtolower($address), $this->ReplyTo)) {

                $this->ReplyTo[strtolower($address)] = [$address, $name];

                return true;

            }

        } else {

            if (!array_key_exists(strtolower($address), $this->ReplyTo)) {

                $this->ReplyTo[strtolower($address)] = [$address, $name];

                return true;

            }

        }

        return false;