Array
(
    [12] => Array
        (
            [title] => sdsvs
            [date] => 2007-03-13
            [end_date] => 2007-04-26
        )

    [5] => Array
        (
            [title] => vechi
            [date] => 2007-04-01
            [end_date] => 2007-04-10
        )

    [10] => Array
        (
            [title] => bla
            [date] => 2007-04-02
            [end_date] => 2007-05-20
        )

    [13] => Array
        (
            [title] => event on today
            [date] => 2007-04-18
            [end_date] => 2007-04-22
        )

    [14] => Array
        (
            [title] => test
            [date] => 2007-04-18
            [end_date] => 2007-04-28
        )

    [7] => Array
        (
            [title] => event 1
            [date] => 2007-04-19
            [end_date] => 2007-04-25
        )

    [8] => Array
        (
            [title] => event number three
            [date] => 2007-04-30
            [end_date] => 2007-05-16
        )

    [11] => Array
        (
            [title] => title here
            [date] => 2007-04-30
            [end_date] => 2007-05-03
        )

    [9] => Array
        (
            [title] => event testing 3
            [date] => 2007-05-25
            [end_date] => 2007-05-30
        )

)
Array
(
    [2007-04-01] => Array
        (
            [0] => 12
            [1] => 5
        )

    [2007-04-02] => Array
        (
            [0] => 10
        )

    [2007-04-18] => Array
        (
            [0] => 13
            [1] => 14
        )

    [2007-04-19] => Array
        (
            [0] => 7
        )

)