😇Get users by meta_key table wp_usermeta(ok)

https://stackoverflow.com/questions/48993170/get-users-by-meta-key-and-array-of-meta-values

$user_id = $current_user->ID;
    $usermeta = get_user_meta($user_id, '_sfwd-quizzes', true);
    $user_args = array(
      'meta_query' => array(
        array(
          'key'  => '_sfwd-quizzes'
        )
      ),
    );
$usersID = get_users($user_args);
$gusersID = [];
foreach( $usersID as $userID) :
   $gusersID[] = $userID->ID;
endforeach;
echo '<pre>';
   var_export($gusersID);
echo '</pre>';