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把同一id上的数组放一个数组

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Release： 2016-06-13 13:13:38
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把同一id下的数组放一个数组
各位，

有如下数组:
  data[1] = 20
  data[2] = 30
  data[1] = 40
  data[1] = 50
  data[2] = 60
  data[3] = 70

分成如下组
  data[1] = array(20,40,50)
  data[2] = array(30,60)
  data[3] = array(70)

请教算法，要高效率的


------解决方案--------------------

探讨

是从数据库查的，但不能分组，效率太低了
Related labels：
array data nbsp
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