<?php
require_once "database.php";
$sql    = "SELECT * FROM users WHERE session_id='" . session_id() . "'";
$result = mysqli_query($con, $sql);
$stmt   = mysqli_fetch_assoc($result);
if ($stmt["session_id"] == session_id()) {
 echo "loggedin";
 //session_regenerate_id();
 $_SESSION['loggedin'] = true;
 $_SESSION['username'] = $stmt["name"] . " " . $stmt["surname"];
 $_SESSION['name']     = $stmt["name"];
 $_SESSION['surname']  = $stmt["surname"];
 $_SESSION['office']   = $stmt["office"];
 $_SESSION['role']     = $stmt["role"];
 $_SESSION['email']    = $stmt["email"];
 $_SESSION['id']       = $stmt["id"];
 $_SESSION['gender']   = $stmt["gender"];
} else {
 echo "unlogged";
}