<?php

//一维数组

$test1 = array("a"=>"苹果","b"=>"香蕉","c"=>"芒果");

//二位数组

$test2[0] = array("id"=>"17","name"=>"汽车");

$test2[99] = array("id"=>"18","name"=>"飞机");

$test2[2] = array("id"=>"19","name"=>"高铁");

$test2[3] = array("id"=>"20","name"=>"高铁");

//三维数组

$test3 = array("aaa"=>$test1,"bbb"=>$test2);

/*

  arr:数组

  isvalues:是否将数组key值重新排列

*/

//数组倒叙

function array_rsort($arr,$isvalues=false)

{

	if(is_array($arr)){

		$flag = false;

		//一维数组

		if(count($arr) == count($arr,1)){

			$flag = true;

			$i = 0;

			//转换成二维数组

			foreach($arr AS $key=>$value){

				$a[$i]["okey"] = $key;

				$a[$i]["value"] = $value;

				$i++;

			}

			$arr = $a;

		}

		//多维数组

		else

		{

			//添加临时key值

			foreach($arr AS $key=>$value){

				$value["okey"] = $key;

				$array[] = $value;

			}

			$arr = $array;

		}

		//倒叙并还原key值

		$count = count($arr)-1;

		for($i=0;$i<count($arr);$i++){

			$b[$arr[$count]["okey"]] = $arr[$count];

			$count--;

		}

		//重构一维数组

		if($flag == true){

			foreach($b AS $key=>$value){

				if($isvalues){

					$c[] = $value["value"];

				}else{

					$c[$value["okey"]] = $value["value"];

				}

			}

		}

		//多维数组去除临时key值

		else

		{

			foreach($b AS $key=>$value)	{

				unset($value["okey"]);

				if($isvalues){

					$c[] = $value;

				}else{

					$c[$key] = $value;

				}

			}

		}

		return $c;

	}

}

var_dump(array_rsort($test1));

var_dump(array_rsort($test1,true));

echo "----------------------------------------";

var_dump(array_rsort($test2));

var_dump(array_rsort($test2,true));

echo "----------------------------------------";

var_dump(array_rsort($test3));

var_dump(array_rsort($test3,true));

?>