sysSortArray.php

<?php
// 说明：PHP中二维数组的排序方法
// 整理：http://www.CodeBit.cn
 
/**
* @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',
		'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);
 
?>