如何在数组中的PHP中使用“两个”计数器？

Question

我得到2个数组，第一个是用户检查的ID列表，第二个是用户ID，我想存储在数据库中

array(2) { 

    ["id_users"]=> string(6) "2,5,6," 

    ["selected"]=> string(30) "1,2,2,2,2,1,2,2,2,2,2,1,1,1,1," 

}

我应该将“ 1,2,2,2,2”存储到用户“ 2”，将“ 1,2,2,2,2”存储到用户“ 5”和“ 2,1,1,1,1”给用户“ 6”

$list_checked = explode(",", $_GET['selected']);

//$class_name = explode(",", $_GET['class_name']);

$id_user = explode(",", $_GET['id_users']);

$count =  count($list_checked);

$count_id =  count($id_user);

$count_i = $count - 1;

$count_id_i = $count_id - 1;

$n = $count_i / $count_id_i ;

Answer 1

这是为您提供的一些代码：// NOTE, I removed last commas from strings in order to work correctly$list_checked = explode(",", '1,2,2,2,2,1,2,2,2,2,2,1,1,1,1');$id_user = explode(",", '2,5,6');$count =  count($list_checked);$count_id =  count($id_user);// define chunk size as result of division$chunk_size = $count / $count_id;// get chunks$chunks = array_chunk($list_checked, $chunk_size);// ierate over user and get related chunk by key    foreach ($id_user as $key => $value) {    echo 'ID: ', $value, ', chunk: ', print_r($chunks[$key], 1);}