PHP 二維數組實現SQL中的ORDER BY排序效果

時間 2020-06-15

標籤 php 二維數組實現 sql order 排序效果欄目 PHP 简体版

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<?php
/**
*
* @package BugFree
* @version $Id: FunctionsMain.inc.php,v 1.32 2005/09/24 11:38:37 wwccss Exp $html

Sort an two-dimension array by some level two items use array_multisort() function.編程

sysSortArray($Array,"Key1","SORT_ASC","SORT_RETULAR","Key2"……)
* @author Chunsheng Wang <wwccss@263.net>
* @param array $ArrayData the array to sort.
* @param string $KeyName1 the first item to sort by.
* @param string $SortOrder1 the order to sort by("SORT_ASC"|"SORT_DESC")
* @param string $SortType1 the sort type("SORT_REGULAR"|"SORT_NUMERIC"|"SORT_STRING")
* @return array sorted array.
*/
function sysSortArray($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;
    }數組

// ################# 示例 #################
$arr = array(
    array(
        'name' => '學習',
         'size' => '1235',
         'type' => 'jpe',
         'time' => '1921-11-13',
         'class' => 'dd',
        ),
     array(
        'name' => '中國功夫',
         'size' => '153',
         'type' => 'jpe',
         'time' => '2005-11-13',
         'class' => 'jj',
        ),
     array(
        'name' => '編程',
         'size' => '35',
         'type' => 'gif',
         'time' => '1997-11-13',
         'class' => 'dd',
        ),
     array(
        'name' => '中國功夫',
         'size' => '65',
         'type' => 'jpe',
         'time' => '1925-02-13',
         'class' => 'yy',
        ),
     array(
        'name' => '中國功夫',
         'size' => '5',
         'type' => 'icon',
         'time' => '1967-12-13',
         'class' => 'rr',
        ),
    );ide