PHP Custom function to implement two-dimensional array sorting function _php skill

Source: Internet
Author: User

This example describes the PHP custom function to implement two-dimensional array sorting. Share to everyone for your reference, specific as follows:

/** function: Two-dimensional array sorting function, support multiple key name ordering * Return: Sort Good array * use: Array_msort (array, need to sort the key name, sort the way);
 * Example: Array_msort ($cflist, "Chapter_orderid", "SORT_ASC");
 * Array_msort ($arr, "name", "Sort_asc", "type", "Sort_desc", "size", "Sort_asc", "sort_string"); */function Array_msort ($ArrayData, $KeyName 1, $SortOrder 1 = "Sort_asc", $SortType 1 = "Sort_regular") {if (!is_array ($
  Arraydata)) {return $ArrayData;
  }//Get the number of parameters.
  $ArgCount = Func_num_args ();
    Sorted and placed into the Sortrule array for ($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;

 }

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