比如我的数组是[1] => Array
(
[0] => 小明
[1] => 小红
[2] => 小白
)
[2] => Array
(
[0] => xiaoming
[1] => xiaohong
[2] => xiaobai
)
怎么打乱这个数组的顺序,又不打乱两者的对应关系
(
[0] => 小明
[1] => 小红
[2] => 小白
)
[2] => Array
(
[0] => xiaoming
[1] => xiaohong
[2] => xiaobai
)
怎么打乱这个数组的顺序,又不打乱两者的对应关系
1 => Array(
0 => '小明',
1 => '小红',
2 => '小白',
),
2 => Array(
0 => 'xiaoming',
1 => 'xiaohong',
2 => 'xiaobai',
),
);$rk = array_keys($ar[1]);
shuffle($rk);foreach($rk as $k) {
$res[1][] = $ar[1][$k];
$res[2][] = $ar[2][$k];
}
print_r($res);
Array
(
[1] => Array
(
[0] => 小红
[1] => 小明
[2] => 小白
) [2] => Array
(
[0] => xiaohong
[1] => xiaoming
[2] => xiaobai
))