例子:
$a = [
2 => [1, 3, 3],
3 => [1, 1, 3],
1 => [1, 2, 3],
4 => [1, 2, 3],
5 => [1, 2, 3]
];
$b = [1, 3, 5, 4, 2];
当时想都没想直接说,定义$c,遍历$b,将$a的指定值push给$a,当然被dis。
回来后整理了下思绪,方案如下:
$a = [
2=>[1,2,3],
3=>[1,2,3],
1=>[1,2,3],
4=>[1,2,3],
5=>[1,2,3]];
$b = [1,3,5,4,2];
foreach ($b as &$v) {
$v = $a[$v];
}
print_r($a);
记录下,哎最近代码码的少啊