<form action="" method="POST">
                        <div class="modal-header">
                            <h4>Login</h4>
                        </div>
                        <div class="modal-body row">
                        <?php
                                if(isset($_POST['login'])){
                                    $user_login = strip_tags(@$_POST['user_name']);
                                    $password_login = strip_tags(@$_POST['user_password']);
                                    $password_login = md5($password_login);
                                    $sql = mysql_query("SELECT * FROM users WHERE email='$user_login' AND password='$password_login' LIMIT 1");
                                    $userCount = mysql_num_rows($sql);
                                    if($userCount == 1){
                                        while($row = mysql_fetch_array($sql)){
                                        $user_id = $row["id"];
                                        $user_fname = $row["first_name"];
                                        $user_lname = $row["last_name"];
                                        $user_membersince = $row["date"];

                                        }
                                        $_SESSION['user_email'] = $user_login;
                                        $_SESSION['user_fname'] = $user_fname;
                                        $_SESSION['user_lname'] = $user_lname;
                                        $_SESSION['user_membersince'] = $user_membersince;

                                    }else {
                                        echo("invalid username/password");
                                    }
                                }
                            ?>
                            <div class="form-group">
                                <div class="col-sm-12">
                                    <input type="text" class="form-control" name="user_name" placeholder="email address">
                                </div>
                                <div class="col-sm-12">
                                    <input type="text" class="form-control" type="password" name="user_password" placeholder="password">
                                </div>
                                <!-- END ADDRESS FORM -->
                            </div>
                        </div>
                        <div class="modal-footer">
                            <button type="submit" class = "btn btn-warning" value="login"name="login">Login</button><a class = "btn btn-warning" data-dismiss = "modal">Cancel</a>
                        </div>
                        <form action="" method="POST">
                    </div>
                </div>
            </div>