Mini Shell

<?php
        session_start();
        if (!isset($_SESSION['user_id'])) {
            header("Location: student_login.php");
        }
        
       include '../../db/database.php';
        
        $session_user= $_SESSION['user_id'];
        
        $qry_usersession = "SELECT * FROM users_dg  WHERE user_id='$session_user'";
        $result_usersession = mysqli_query($link2,$qry_usersession);
        if ($result_usersession) {
            $row_usersession = mysqli_fetch_array($result_usersession,MYSQLI_ASSOC);
            
            $s_user_id = $row_usersession['user_id'];
            $s_username = $row_usersession['username'];
            $s_title = $row_usersession['sex'];
            $s_name = $row_usersession['name_peple'];
            $s_last_name = $row_usersession['sname_peple'];  
            $s_year = $row_usersession['year'];
            mysqli_free_result($result_usersession);
        }