<?php
session_start();
$path = "../";
include ($path.'include/config_db.php');
include ($path.'include/class_db.php'); 
include ($path.'include/class_display.php'); 
$CLASS['db']   = new db();
$CLASS['db']->connect(); 
$CLASS['disp']   = new display();
$db   = $CLASS['db']; 
$disp   = $CLASS['disp']; 

$user_login = $_REQUEST['user_login'];
$pass_login = $_REQUEST['pass_login'];

$sql_chk = "select * from tb_teachers where tb_teacher_number = '".$user_login."' and tb_teacher_number = '".$pass_login."' and tb_teacher_status='1' ";
$result_chk = $db->query($sql_chk);
$num_chk = $db->num_rows($result_chk);
if($num_chk <='0'){
?>
<script language="javascript">window.alert('Loing Fail !!!');</script>
<script language="javascript">window.location.href = 'teacher_login.php'</script>
<?php
}else{
session_start(); 

$rec = $db->fetch_array($result_chk);
$_SESSION['sessiontuser_id'] = $rec['tb_teacher_id'];
$_SESSION['sessiontuser_name'] = $rec['tb_teacher_name'];
$_SESSION['sessiontuser_number'] = $rec['tb_teacher_number'];
$_SESSION['sessiontuser_degree'] = $rec['tb_teacher_degree'];
?>
<script language="javascript">window.alert('Loing Success');</script>
<script language="javascript">window.location.href = 'display_teacher_knowledge.php'</script>
<?php
}
?>