<h2>Packages for city_id = 1</h2><pre>Array
(
    [0] => Array
        (
            [id] => 1
            [package_name] => Munnar Hills Escape
            [city_id] => 1
            [duration_days] => 4
            [duration_nights] => 3
            [base_price_adult] => 12000.00
            [base_price_child_5_10] => 6000.00
            [base_price_child_10_12] => 8000.00
            [description] => Enjoy the tea gardens and misty hills of Munnar.
        )

    [1] => Array
        (
            [id] => 2
            [package_name] => Munnar Weekend Getaway
            [city_id] => 1
            [duration_days] => 2
            [duration_nights] => 1
            [base_price_adult] => 8000.00
            [base_price_child_5_10] => 4000.00
            [base_price_child_10_12] => 5000.00
            [description] => Quick trip to the hills.
        )

)
</pre><h2>Distinct Durations</h2>Array
(
    [0] => Array
        (
            [duration_days] => 4
            [duration_nights] => 3
        )

    [1] => Array
        (
            [duration_days] => 2
            [duration_nights] => 1
        )

)