PHP中二维数组的排序方法
<?php
/**
* @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″……)
* @author????????????????????? Chunsheng Wang <[email protected]>
* @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;
}
?
?
//################# 示例 #################
$arr = array(
??? array(
??????? ‘name’??????? =>??? ‘学习’,
??????? ‘size’??????? =>??? ‘1235’,
??????? ‘type’??????? =>??? ‘jpe’,
??????? ‘time’??????? =>??? ‘1921-11-13’,
??????? ‘class’??????? =>??? ‘dd’,
??? ),
??? array(
??????? ‘name’??????? =>??? ‘中国功夫’,
??????? ‘size’??????? =>??? ‘153’,
??????? ‘type’??????? =>??? ‘jpe’,
??????? ‘time’??????? =>??? ‘2005-11-13’,
??????? ‘class’??????? =>??? ‘jj’,
??? ),
??? array(
??????? ‘name’??????? =>??? ‘编程’,
??????? ‘size’??????? =>??? ’35’,
??????? ‘type’??????? =>??? ‘gif’,
??????? ‘time’??????? =>??? ‘1997-11-13’,
??????? ‘class’??????? =>??? ‘dd’,
??? ),
??? array(
??????? ‘name’??????? =>??? ‘中国功夫’,
??????? ‘size’??????? =>??? ’65’,
??????? ‘type’??????? =>??? ‘jpe’,
??????? ‘time’??????? =>??? ‘1925-02-13’,
??????
。本文来源gao!%daima.com搞$代*!码网1
搞代gaodaima码? ‘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);
?
?>
转载请注明原文链接：PHP中二维数组的排序步骤
