PHP中二维数组的排序方法

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/**
  * @package BugFree
  * @version $Id: FunctionsMain.inc.php,v 1.32 2005/09/24 11:38:37 wwccss Exp $
  *
  *
  * Sort an two-dimension array by some level two items use array_multisort() function.
  *
  * sysSortArray($Array,"Key1","SORT_ASC","SORT_RETULAR","Key2"……)
  * @authorChunsheng Wang
  * @paramarray $ArrayData the array to sort.
  * @paramstring$KeyName1the first item to sort by.
  * @paramstring$SortOrder1the order to sort by("SORT_ASC""SORT_DESC")
  * @paramstring$SortType1 the sort type("SORT_REGULAR""SORT_NUMERIC""SORT_STRING")
  * @return arraysorted array.
  */
  function sysSortArray($ArrayData,$KeyName1,$SortOrder1 = "SORT_ASC",$SortType1 = "SORT_REGULAR")
  {
  if(!is_array($ArrayData))
  {
  return $ArrayData;
  }
  // Get args number.
  $ArgCount = func_num_args();
  // Get keys to sort by and put them to SortRule array.
  for($I = 1;$I < $ArgCount;$I ++)
  {
  $Arg = func_get_arg($I);
  if(!eregi("SORT",$Arg))
  {
  $KeyNameList[] = $Arg;
  $SortRule[]= ‘$‘.$Arg;
  }
  else
  {
  $SortRule[]= $Arg;
  }
  }
  // Get the values according to the keys and put them to array.
  foreach($ArrayData AS $Key => $Info)
  {
  foreach($KeyNameList AS $KeyName)
  {
  ${$KeyName}[$Key] = $Info[$KeyName];
  }
  }
  // Create the eval string and eval it.
  $EvalString = ‘array_multisort(‘.join(",",$SortRule).‘,$ArrayData);‘;
  eval ($EvalString);
  return $ArrayData;
  }
  //################# 示例 #################
  $arr = array(
  array(
  ‘name‘=>‘学习‘,
  ‘size‘=>‘1235‘,
  ‘type‘=>‘jpe‘,
  ‘time‘=>‘1921-11-13‘,
  ‘class‘=>‘dd‘,
  ),
  array(
  ‘name‘=>‘中国功夫‘,
  ‘size‘=>‘153‘,
  ‘type‘=>‘jpe‘,
  ‘time‘=>‘2005-11-13‘,
  ‘class‘=>‘jj‘,
  ),
  array(
  ‘name‘=>‘编程‘,
  ‘size‘=>‘35‘,
  ‘type‘=>‘gif‘,
  ‘time‘=>‘1997-11-13‘,
  ‘class‘=>‘dd‘,
  ),
  array(
  ‘name‘=>‘中国功夫‘,
  ‘size‘=>‘65‘,
  ‘type‘=>‘jpe‘,
  ‘time‘=>‘1925-02-13‘,
  ‘class‘=>‘yy‘,
  ),
  array(
  ‘name‘=>‘中国功夫‘,
  ‘size‘=>‘5‘,
  ‘type‘=>‘icon‘,
  ‘time‘=>‘1967-12-13‘,
  ‘class‘=>‘rr‘,
  ),
  );
  print_r($arr);
  //注意:按照数字方式排序时 153 比 65 小
  $temp = sysSortArray($arr,"name","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING");
  print_r($temp);
  ?>