editttttt

<?php
global $DB_con;
 error_reporting( ~E_NOTICE );
 require_once 'dbconfig.php';

 if(isset($_GET['edit_id']) && !empty($_GET['edit_id']))
 {
  $id = $_GET['edit_id'];
  $custDb=$oDb->dbConnection();
  $custDb->conn->prepare('SELECT userName, userEmail, phone FROM tbl_users WHERE userID =:uid');
  $stmt_edit->execute(array(':uid'=>$id));
  $edit_row = $stmt_edit->fetch(PDO::FETCH_ASSOC);
  extract($edit_row);
 }
 else
 {
  header("Location: home.php");
 }


 if(isset($_POST['btn_save_updates']))
 {

  $uname = trim($_POST['txtuname']);
  $email = trim($_POST['txtemail']);
  $phone = trim($_POST['phone']);

  if(!isset($errMSG))
  {
   $stmt = $DB_con->prepare('UPDATE tbl_users SET userName=:uname, userEmail=:email, phone=:phone WHERE userID=:uid');
   $stmt->bindparam(":user_name",$uname);
   $stmt->bindparam(":user_email",$email);
   $stmt->bindparam(":phone",$phone);
   $stmt->bindParam(':uid',$id);


   if($stmt->execute()){
    ?>
    <script>
    alert('Successfully Updated ...');
    window.location.href='home.php';
    </script>
   <?php
   }
   else{
    $errMSG = "Sorry Data Could Not Updated !";
   }
  }
 }
?>