Problem with PHP/mySQL login code

Posted on 16th Feb 2014 by admin

Hello,

There is an error in my login script and I can't figure out what it is...
I believe it might be my "SELECT" statement...

Can anyone help me?

Code: <?php
//define ('SASI Services Portal');

//check if user is logged in
$loggedin==0;
if(isset($_POST['username']))
{
$loggedin=FALSE; //the user is not currently logged in

//so, open the mysQL database

//create the connection
$con=mysql_connect("localhost", "xxxx", "xxxx");

if(!$con)
{
die('Could not connect: ' .mysql_error());
}

mysql_select_db("my_SASI", $con);

$result= mysql_query("SELECT * FROM logins, users WHERE logins.loginID=users.userID AND Email_Address='".$_POST['username']."' AND password='".$_POST['password']."' AND accessLevel=1");

while($row=mysql_fetch_array($result))
{
session_start(); //start a new session
$_SESSION['username']=$_POST['username'];
$_SESSION['password']=$_POST['password'];
$_SESSION['firstname']=$row['FirstName'];
$_SESSION['lastname']=$row['LastName'];
$_SESSION['accesslevel']=$row['accessLevel'];
$loggedin=TRUE;

}






}
if($loggedin && $_SESSION['accesslevel']==0)
{
header('Location: student_admin.php');
exit();

}
if($loggedin && $_SESSION['accesslevel']==1)
{
header('Location: teacher_admin.php');
exit();

}
mysql_close($con);
?>

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