如何从数组数组中获取值？

Question

我有如下数组：

Array
(
    [_edit_lock] => Array
        (
            [0] => 1309611144:1
        )

    [_edit_last] => Array
        (
            [0] => 1
        )

    [banner_url] => Array
        (
            [0] => http://apptivowp.apptivo.com/awp-content/10001/uploads/2011/07/gallery_banner.jpg
        )

    [_yoast_wpseo_focuskw] => Array
        (
            [0] => 
        )

    [_yoast_wpseo_title] => Array
        (
            [0] => 
        )
)

如何获得banner_url值？

Answer 1

简单如下：

$array['banner_url'][0]