php 统计二维数组中某个相等值的总个数,并且组合成一个新的数组
php 多维数组
比如这样的,我想将这个数组里面 m_id 相等数组元素再组合成一个新的数组:效果图如下:
回复讨论(解决方案)
举例时要自圆其说,不然会产生误解
原始数据中并没有:
'sv_id' => 5, 'mid' => 0
'sv_id' => 9, 'mid' => 3
的项,结果中是如何出来的?
举例时要自圆其说,不然会产生误解
原始数据中并没有:
'sv_id' => 5, 'mid' => 0
'sv_id' => 9, 'mid' => 3
的项,结果中是如何出来的?
额,是的,不过数据是可以随便改的啊,好好看看两张图的数组结构吧。。。
这根结构没什么关系吧?
从算法角度上看:是如何产生不在原始数据中的项
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你复制运行一下看是不是你要的效果。
效果图:
不考虑你多出的项目(我无法臆造)
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1 |
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哇,#5版主,,,为啥我想不到你写的方法呢。。你的好简洁。
1 |
|
你复制运行一下看是不是你要的效果。
效果图:
嗯,这个办法可以,谢啦, 不过下面的大神更恐怖,太简单了!!!
不考虑你多出的项目(我无法臆造)
1 |
|
1 |
|
太牛了!!!膜拜 谢谢!!
这根结构没什么关系吧?
从算法角度上看:是如何产生不在原始数据中的项
额,是,sorry 我写错,少了一个下划线 m_id 写成了mid
1 |
|
你复制运行一下看是不是你要的效果。
效果图:
嗯,这个办法可以,谢啦, 不过下面的大神更恐怖,太简单了!!!
1 |
|
你复制运行一下看是不是你要的效果。
效果图:
嗯,这个办法可以,谢啦, 不过下面的大神更恐怖,太简单了!!!

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