<?php
                function check(PDO $muc){
                    function get_multiple_rows($getfailed) {
                        $rows = array();
                        while($row = $getfailed->fetch(PDO::FETCH_ASSOC)) {
                            $rows[] = $row;
                        }
                        return $rows;
                    }
                    $throttle = array(1 => 1, 5 => 2, 30 => 10);
                    if ($getfailed = $muc->query("SELECT MAX(attempted) AS attempted FROM failed_logins")){
                        $rows = get_multiple_rows($getfailed);
                        $getfailed->closeCursor();
                        $latest_attempt = (int) date('U', strtotime($rows[0]['attempted']));
                        if ($getfailed = $muc->query("SELECT COUNT(1) AS failed FROM failed_logins WHERE attempted > DATE_SUB(NOW(), INTERVAL 15 minute)")){
                            $rows = get_multiple_rows($getfailed);
                            $getfailed->closeCursor();
                            $failed_attempts = (int) $rows[0]['failed'];
                            krsort($throttle);
                                foreach ($throttle as $attempts => $delay){
                                if ($failed_attempts > $attempts) {
                                    $remaining_delay = (time() - $latest_attempt) - $delay;
                                    if ($remaining_delay < 0){
                                        echo "remaining time until next try".abs($remaining_delay);
                                    }
                                    return false;
                                    break;
                                }else{
                                    return true;
                                }
                            }
                        }
                    }
                }
            ?>

<?php
                if(check($muc) === true){
                    $much = $muc->query('SELECT * from users_enc WHERE name=name');
                    $much->bindParam(1, $name);
                    $much->bindParam(2, $password);
                    $much->execute();
                    $much->setFetchMode(PDO::FETCH_ASSOC);
                    while($row = $much->fetch()) {
                        $dbname = $row['Name'];
                        $dbpassword = $row['Password'];
                    }
                    if($_POST['name']==$dbname){
                        if (password_verify($_POST['password'], $dbpassword)){
                            session_start();
                            $_SESSION['Name'] = $_POST['name'];
                            $_SESSION['Password'] = $_POST['password'];
                            $successq = $muc->query("DELETE FROM failed_logins WHERE name = '".$_SESSION['Name']."'");
                            $successq->execute();
                            echo"<a href='../onlinestore.php' style='color:green;padding:10px;background-color:rgba(240,255,240,0.5);border:1px solid green;border-radius:5px;'>You can enter here</a><br /><br />";
                        }else{
                            echo $err4;
                            include("throttle.php");
                        }
                    }else{
                        echo $err3;
                        include("throttle.php");
                        $stmt = $muc->prepare('SELECT Name from failed_logins WHERE name=:name');
                        $stmt->bindParam(':name', $name);
                        $stmt->execute();
                        if($stmt->rowCount() > 200){
                            $overdose = $muc->query("DELETE FROM failed_logins WHERE name = '".$_SESSION['Name']."'");
                            $overdose->execute();
                        }
                    }
                }
            ?>