GOOGLE

<?php session_start();
date_default_timezone_set('Asia/Calcutta'); 
$date =  date("Y-m-d H:i"); // time in India
include("dbcon.php");
if(isset($_POST['submit'])){
    extract($_POST);
     $memId;
     $insert = 
     mysql_query("INSERT INTO `transaction`(`member_id`,`user_id`,`book_id`,`penalty`,`overdue`,`subject`,`acc_no`,`payment`,`date_time`)VALUES('".$memId."','".$_SESSION['user_id']."','".$_POST['book_id']."','".$_POST['penalty']."','".$_POST['overdue']."','".$_POST['subject']."','".$_POST['acc_no']."','".$_POST['payment']."','".$date."')");

     $borrowdetails = mysql_query("UPDATE `borrowdetails` SET `borrow_status`='returned',`date_return`='".$date."' WHERE `book_id`='".$_POST['book_id']."'");
 $update = mysql_query("UPDATE `book` SET `book_status`='returned',`member_id`='' WHERE `book_id`='".$_POST['book_id']."'"); 
 if($update){ ?>
 <script>
    alert("Book Returned Sucessfully");
    window.location.href='view_borrow.php';
 </script>
<?php }            

 //header('location:view_borrow.php');

}
?>