在foreach循环中在php中创建动态关联数组

Question

I have loop like this

foreach($this->input->post('users') as $value)
        {
            foreach($this->input->post('group_name') as $v)
            {
                echo $value.','.$v.'<br>';

            }
        }

And its ouput is

17,5
17,6
18,5
18,6
19,5
19,6
20,5
20,6

Now i want to create an associative array like this using the above values.

array(
        array(
                'user_id' => 17,
                'group_id' => 15
        ),
       ....
       ....
      array(
                'user_id' => 20,
                'group_id' => 6
        )

)

How can i do that I've tried this in foreach loop but it will print two separate arrays.

            $temp['user_id'][]=$v;
            $temp['group_id'][]=$value;

Answer 1

All you have to do is append array with respective values.

$result = [];
foreach($this->input->post('users') as $value)
{
        foreach($this->input->post('group_name') as $v)
        {
                $result[] = ['user_id' => $value, 'group_id' => $v];
        }
}
var_dump($result);