Help with users logged in my web

$query = $modx->newQuery('modUser');
$query->leftJoin('modUserProfile','Profile');
$query->where(array('id:>' => 2, "Profile.blocked:=" => 0, "active:=" => 1));
$users = $modx->getCollection('modUser', $query);

foreach($users as $user){
    $modUser        = $user->toArray();
    $profile        = $user->getOne('Profile');
    $modUserProfile = $profile->toArray();
    
    $output.= $modUser['id'].'<br>';
} 

return $output;

foreach($users as $user){
    $modUser        = $user->toArray();
    $profile        = $user->getOne('Profile');
    $modUserProfile = $profile->toArray();
    if ($user->hasSessionContext('web')) {    
        $output.= $modUser['id'].'<br>';
    }
}