复制代码 代码如下:

<?php

/**

* 逆序二维数组插入一元素

*

* @author WadeYu

* @date 2012-05-30

*/

$aSorted = array(

array(1, 100),

array(2, 90),

array(3, 80),

array(4, 70),

array(5, 60),

array(6, 50),

array(7, 40),

array(8, 40),

array(9, 40),

array(10, 20),

);

$aInsert = array(11, 40);

$maxCmpIdx = 0;

$cnt = 0;

$maxCnt = 10;

foreach ($aSorted as $idx => $arr){

if ($arr[0] == $aInsert[0]){

$maxCmpIdx = $idx;

}

$cnt++;

}

if ( !$maxCmpIdx){

$maxCmpIdx = $cnt++;

}

$aSorted[$maxCmpIdx] = $aInsert;

for ($i = $maxCmpIdx; $i > 0; $i--){

if ($aSorted[$i][1] > $aSorted[$i-1][1]){

$aTmp = $aSorted[$i-1];

$aSorted[$i-1] = $aSorted[$i];

$aSorted[$i] = $aTmp;

continue ;

}

break;

}

for ($i = $cnt; $i > $maxCnt; $i--){

unset($aSorted[$i-1]);

}

print_r($aSorted);