Unserialize

 
Array
(
    [rules] => Array
        (
            [0] => Array
                (
                    [type] => Custom
                    [custom] => Array
                        (
                            [interval] => 1
                            [week] => Array
                                (
                                    [day] => Array
                                        (
                                            [0] => 3
                                        )

                                )

                            [same-time] => yes
                            [type] => Weekly
                        )

                    [end-type] => On
                    [end] => 2018-06-27
                    [EventStartDate] => 2017-12-06 11:30:00
                    [EventEndDate] => 2017-12-06 14:00:00
                )

        )

    [exclusions] => Array
        (
            [0] => Array
                (
                    [type] => Custom
                    [custom] => Array
                        (
                            [date] => Array
                                (
                                    [date] => 2017-12-20
                                )

                            [same-time] => yes
                            [type] => Date
                            [interval] => 1
                        )

                    [EventStartDate] => 2017-12-06 11:30:00
                    [EventEndDate] => 2017-12-06 14:00:00
                )

            [1] => Array
                (
                    [type] => Custom
                    [custom] => Array
                        (
                            [date] => Array
                                (
                                    [date] => 2018-01-03
                                )

                            [same-time] => yes
                            [type] => Date
                            [interval] => 1
                        )

                    [EventStartDate] => 2017-12-06 11:30:00
                    [EventEndDate] => 2017-12-06 14:00:00
                )

            [2] => Array
                (
                    [type] => Custom
                    [custom] => Array
                        (
                            [interval] => 1
                            [month] => Array
                                (
                                    [same-day] => no
                                    [number] => Fourth
                                    [day] => 3
                                )

                            [same-time] => yes
                            [type] => Monthly
                        )

                    [end-type] => On
                    [end] => 2018-06-27
                    [EventStartDate] => 2017-12-06 11:30:00
                    [EventEndDate] => 2017-12-06 14:00:00
                )

        )

    [description] => 
)