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);
?>
* @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);
?>
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