<?php $host_name="localhost"; $database_name="volvo"; $database_user="root"; $database_password=""; $conn = mysqli_connect($host_name,$database_user,$database_password,$database_name,3306); $username=$_SESSION['username']; $password=$_SESSION['userpassword']; //session_cache_expire(60); if(!validate($username, $password,$conn)){ @header("Location: index.php?msg=Session Expired Please Login Again"); } function validate($username, $password,$conn) { if($username=="" || $password=="" ) { return false; } $sql="select * from tbl_users where user_name='".$username."' AND user_password='".$password."'"; $result=mysqli_query($conn, $sql); if(mysqli_num_rows($result) > 0) { return true; } else { return false; } }