string(16) "1001"   &"/>     string(16) "1001"   &">
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一个数组排序的有关问题

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Release: 2016-06-13 12:53:25
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一个数组排序的问题

<br />
array(22) {<br />
  [0]=><br />
  array(6) {<br />
    ["CheckID"]=><br />
    string(16) "1001"<br />
    ["PicMemo"]=><br />
    string(3) "102"<br />
  }<br />
  [1]=><br />
  array(6) {<br />
    ["CheckID"]=><br />
    string(16) "1005"<br />
    ["PicMemo"]=><br />
    string(3) "15"<br />
  }<br />
  [2]=><br />
  array(6) {<br />
    ["CheckID"]=><br />
    string(16) "1002"<br />
    ["PicMemo"]=><br />
    string(3) "102"<br />
  }<br />
  [3]=><br />
  array(6) {<br />
    ["CheckID"]=><br />
    string(16) "1003"<br />
    ["PicMemo"]=><br />
    string(3) "171"<br />
  }<br />
  [4]=><br />
  array(6) {<br />
    ["CheckID"]=><br />
    string(16) "1004"<br />
    ["PicMemo"]=><br />
    string(3) "102"<br />
  }<br />
  [5]=><br />
  array(6) {<br />
    ["CheckID"]=><br />
    string(16) "1005"<br />
    ["PicMemo"]=><br />
    string(3) "171"<br />
  }<br />
  ...<br />
 }<br />
Copy after login

数组$arr;按照 'PicMemo'排序 将相同的值放在一起,键重组;
3q了!


------解决方案--------------------
foreach($ar as $v) $r[] = $v['PicMemo'];
array_multisort($r, $ar);
print_r($ar);
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