逆序二维数组插入一元素的php代码

PHP 2018-12-30

<div class="codetitle"><a style="CURSOR: pointer" data="2622" class="copybut" id="copybut2622" onclick="doCopy('code2622')"> 代码如下:

<div class="codebody" id="code2622">
<?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,
array(9,
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);

二维数组逆序逆序

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