$sql->single("SELECT COUNT(*) as cnt FROM devices", "", [])['cnt'] ?? 0,
'device_types' => $sql->single("SELECT COUNT(*) as cnt FROM device_types", "", [])['cnt'] ?? 0,
'racks' => $sql->single("SELECT COUNT(*) as cnt FROM racks", "", [])['cnt'] ?? 0,
'floors' => $sql->single("SELECT COUNT(*) as cnt FROM floors", "", [])['cnt'] ?? 0,
'locations' => $sql->single("SELECT COUNT(*) as cnt FROM locations", "", [])['cnt'] ?? 0,
];
// Recent devices
$recentDevices = $sql->get(
"SELECT d.id, d.name, dt.name as type_name, r.name as rack_name, f.name as floor_name
FROM devices d
LEFT JOIN device_types dt ON d.device_type_id = dt.id
LEFT JOIN racks r ON d.rack_id = r.id
LEFT JOIN floors f ON r.floor_id = f.id
ORDER BY d.id DESC LIMIT 5",
"", []
);
?>