public function handle($request, Closure $next)
{
if(Auth::check()) {
$expiresAt = Carbon::now()->addMinutes(1);
Cache::put('user-is-online-' . Auth::user()->id, true, $expiresAt);
}
return $next($request);
}

function test_build()
{
$session = session_id();
$time = time();

$users = array();

$user = [
'session' => $session,
'user_id' => 1,
'time_stamp' => $time,
];
$users[] = $user;

$user = [
'session' => $session,
'user_id' => 2,
'time_stamp' => $time,
];
$users[] = $user;

$_SESSION['users'] = $users;
}

function _check()
{
if(!isset($_SESSION['users_online'])) {
$_SESSION['users_online'] = array();
}

// Get logged in user
$this->module('members');
$member = $this->members->_get_member_obj();

if(!$member) {
return null;
}

// Extract session to array
$users = (array) $_SESSION['users_online'];

// Check if user exists, if so bump up time
$key = array_search($member->id, $users);
if($key) {
$users[$key] = time();
} else {
$users[$member->id] = time();
}

// Delete stale users
$time_check = time()-300;
$keys = array();
foreach ($users as $row => $value) {
if($value < $time_check) {
unset($users[$row]);
} else {
$keys[] = $row;
}
}

// Store array back to session
$_SESSION['users_online'] = $users;

// Return members online
$keys = implode(',',$keys);
$sql = "SELECT * FROM members WHERE id IN ($keys)";
return $this->model->query($sql, 'object');
}

Current member object:
{
"id": 1,
"url_string": "admin",
"username": "admin",
"first_name": "John",
"last_name": "Lennon",
"email_address": "[email protected]",
"date_joined": 1633748319,
"code": "RcyhwK7hZDQQ983x",
"password": "$2y$11$oO.bPIGNFfKK.pXkEPBN7eDV9yJ2ArBIayFJkzBII0rjev9kBrYPG",
"num_logins": 22,
"last_login": 1659584686,
"trongate_user_id": 2,
"confirmed": 1,
"user_token": "",
"token": "PMkfQFXv0xLejsAMQVgm-9132HRb305K"
}


Trimmed Session - users online:
{
"1": 1659586559
}


SQL:
SELECT * FROM members WHERE id IN (1)

Members online from db:
[
{
"id": 1,
"url_string": "admin",
"username": "admin",
"first_name": "John",
"last_name": "Lennon",
"email_address": "[email protected]",
"date_joined": 1633748319,
"code": "RcyhwK7hZDQQ983x",
"password": "$2y$11$oO.bPIGNFfKK.pXkEPBN7eDV9yJ2ArBIayFJkzBII0rjev9kBrYPG",
"num_logins": 22,
"last_login": 1659584686,
"trongate_user_id": 2,
"confirmed": 1,
"user_token": ""
}
]

function _check($back = 300)
{
if(!isset($_SESSION['users_online'])) {
$_SESSION['users_online'] = array();
}

// Extract session to array
$users = (array)$_SESSION['users_online'];

// Get logged in user
$this->module('members');
$member = $this->members->_get_member_obj();

if($member) {
// Check if user exists, if so bump up time
$key = array_search($member->id, $users);
if ($key) {
$users[$key] = time();
} else {
$users[$member->id] = time();
}
}

// Delete stale users
$time_check = time()-$back;
foreach ($users as $row => $value) {
if($value < $time_check) {
unset($users[$row]);
}
}

// Store array back to session
$_SESSION['users_online'] = $users;
}

function _online_users()
{
// Extract session to array
$users = (array) $_SESSION['users_online'];

$keys = array();
foreach ($users as $row => $value) {
$keys[] = $row;
}

// Return members online
if(!empty($keys)) {
$keys = implode(',', $keys);
$sql = "SELECT * FROM members WHERE id IN ($keys)";
return $this->model->query($sql, 'object');
} else {
return null;
}
}