a_loginform

<?php
ob_start();
require 'connection.php';
session_start();

 if(isset( $_POST['submit1'] ) )
    {
   
        $email = mysqli_real_escape_string($con, $_POST['email']);
        //$email1 = $_GET['email']);
        $password = mysqli_real_escape_string($con, $_POST['password']);
        //$password1 = $_GET['password']);
        $result = mysqli_real_escape_string($con, $_POST['result']);
       
       
        $sql = "SELECT * FROM admin where email='".$email."' and password='".$password."' ";
$result = mysqli_query($con, $sql);

if (mysqli_num_rows($result) > 0)
    {
        $_SESSION['a_loggedin'] = true;
        $_SESSION['a_email'] = $email;
        //header("Location:a_dashboard.php");
        header("Location:a_dashboard.php");
    }
               
                else
                    {
                        header("Location:a_loginform.php");
                    }
                       
    }
?>


            <form name="form"  action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"  method="post">
              <span style="color:red; margin-left:-13px;">*</style></span> <input type="email" name="email" placeholder="Email" id="formTemplate" required/>
              <? if($err1!=""){ echo $err1; }?>
              <span style="color:red; margin-left:-13px;">*</style></span><input type="password" name="password" placeholder="Password" required/>
             <input type="hidden" name="result" value="<? echo $_SESSION["result"];?>">
              <button name="submit1">Login</button>
           
            </form>