PHP排序之二维数组的按照字母排序方法

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PHP排序之二维数组的按照字母排序方法，

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<?php
/**
* Sort an two-dimension array by some level two items use array_multisort() function.
*
* 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;
    }
    $ArgCount = func_num_args();

    for($I = 1;$I < $ArgCount;$I ++)
    {
        $Arg = func_get_arg($I);
        if(!eregi("SORT",$Arg))
        {
            $KeyNameList[] = $Arg;
            $SortRule[]    = '$'.$Arg;
        }
        else
        {
            $SortRule[]    = $Arg;
        }
    }

    foreach($ArrayData AS $Key => $Info)
    {
        foreach($KeyNameList AS $KeyName)
        {
            ${$KeyName}[$Key] = $Info[$KeyName];
        }
    }

    $EvalString = 'array_multisort('.join(",",$SortRule).',$ArrayData);';
    eval ($EvalString);
    return $ArrayData;
}

//################# 示例 #################
$arr = array(
    array(
        'name'        =>    '学习',
        'size'        =>    '1235',
        'type'        =>    'jpe',
        'time'        =>    '1921-11-13',
        'class'        =>    'D',
    ),
    array(
        'name'        =>    '中国功夫',
        'size'        =>    '153',
        'type'        =>    'jpe',
        'time'        =>    '2005-11-13',
        'class'        =>    'J',
    ),
    array(
        'name'        =>    '编程',
        'size'        =>    '35',
        'type'        =>    'gif',
        'time'        =>    '1997-11-13',
        'class'        =>    'A',
    ),
    array(
        'name'        =>    '中国功夫',
        'size'        =>    '65',
        'type'        =>    'jpe',
        'time'        =>    '1925-02-13',
        'class'        =>    'D',
    ),
    array(
        'name'        =>    '中国功夫',
        'size'        =>    '5',
        'type'        =>    'icon',
        'time'        =>    '1967-12-13',
        'class'        =>    'C',
    ),
);

print_r($arr);

//注意：按照数字方式排序时 153 比 65 小
$temp = sysSortArray($arr,"class","SORT_ASC","type","SORT_DESC","size","SORT_ASC","SORT_STRING");
echo "<pre>";
print_r($temp);
?>

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