php数组过滤器与自定义参数

     Array
(
    [13] => stdClass Object
        (
            [action] => click
            [timestamp] => 2017-05-09T18:00:41+00:00
            [url] => https://xxxxx.xxx/xxx/sdfsdfsd
            [title] => download e-book
        )
     [14] => stdClass Object
        (
            [action] => click
            [timestamp] => 2017-05-09T18:00:41+00:00
            [url] => https://xxxxx.xxx/xxx/sdfsdfsd
            [title] => download e-book
        )

    [17] => stdClass Object
        (
            [action] => open
            [timestamp] => 2017-05-09T18:00:21+00:00
            [url] => https://yyyyyyy.yyy
            [title] => download e-book
        )

)
     Array
(
    [13] => stdClass Object