<?php
ob_start();
session_start();
include_once('../includes/db_connect.php');
/*<=======================Logging in=====================>*/
if(isset($_POST['email'])){
    $email = trim(mysqli_real_escape_string($con,$_POST['email']));
   $pass = hash("sha256",md5(trim(mysqli_real_escape_string($con, $_POST ['pass']))));
    if(mysqli_num_rows(mysqli_query($con,"SELECT * FROM students WHERE email = '$email' AND password ='$pass'")) > 0){
     $_SESSION["OpenUniS^###DHSG"] = $email;
      echo "success";
    }
    else{
      echo "invalid";  
    }
}
?>
<?php mysqli_close($con) ?>