复制代码 代码如下:
function arrange($arr){
$new_arr = array();
$c = count($arr);
foreach($arr as $key=>$vo){
$lin = $arr;
array_splice($lin,$key,1);
for($l=0;$l $larr = array();
$larr[] = $lin[$l];
$larr[] = $vo;
$larr[] = $vo;
$new_arr[] = $larr;
}
}
return $new_arr;
}
$arr = array(1,2,3,4);
$r = arrange($arr);
print_r($r);
得到的结果是：
复制代码 代码如下:
Array
(
[0] => Array
(
[0] => 2
[1] => 1
[2] => 1
)
[1] => Array
(
[0] => 3
[1] => 1
[2] => 1
)
[2] => Array
(
[0] => 4
[1] => 1
[2] => 1
)
[3] => Array
(
[0] => 1
[1] => 2
[2] => 2
)
![[Web front-end] Démarrage rapide de Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
