我正在建立一个图片库,并想在随机点投放一些促销横幅,以向用户宣传某些优惠。鉴于已从数据库查询中过滤出以下两个数组:
媒体图像数组:
Array
(
[0] => Array
(
[insertDate] => 2014-11-10 11:22:58
[keyword] => standard
[mediaClass] => image
[mediaURL] => http://image1.jpg
[promoURL] =>
)
[2] => Array
(
[insertDate] => 2014-11-10 11:23:18
[keyword] => standard
[mediaClass] => image
[mediaURL] => http://image3.jpg
[promoURL] =>
)
[3] => Array
(
[insertDate] => 2014-11-10 11:23:28
[keyword] => standard
[mediaClass] => image
[mediaURL] => http://image4.jpg
[promoURL] =>
)
[5] => Array
(
[insertDate] => 2014-11-10 11:23:48
[keyword] => standard
[mediaClass] => image
[mediaURL] => http://image6.jpg
[promoURL] =>
)
)
促销图片数组:
Array
(
[1] => Array
(
[insertDate] => 2014-11-10 11:23:08
[keyword] => promo
[mediaClass] => image
[mediaURL] => http://image2.jpg
[promoURL] => http://www.google.com
)
[4] => Array
(
[insertDate] => 2014-11-10 11:23:38
[keyword] => promo
[mediaClass] => image
[mediaURL] => http://image5.jpg
[promoURL] => http://www.google.com
)
)
如何将促销图像以随机索引插入媒体图像数组,同时保持媒体图像的insertDate排序顺序?
即,将促销横幅添加到图像时间轴中。