function get_rest_api_data() {
$url = 'https://volux.utrip.ai/calendar/hotel/1';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
if ($response === false) {
echo 'Error: ' . curl_error($ch);
} else {
$data = json_decode($response, true);
}
curl_close($ch);
}