hot to get user ids from database to array

[Vtins]

Hi,
i have a problem with my array_filter
Example i need all usernames or ids for the array_filter like the $filter examples

How can i get all ids into this format

thanks a lot for checking my thread

PHP Code:

$filter = array("1","2","3"); 


or

PHP Code:

$filter = [1,2,3]; 


array_filter example

PHP Code:

$filter = array("1","2","3");
$filter = [1,2,3];
                
$filtered = array_filter($responseData['json'], function ($item) use ($filter) {
return in_array($item['id'], $filter);
}); 


admins please move my thread