Login System

<?php

include_once "includes/functions.php";
include_once "includes/db_connect.php";

sec_session_start();

$username = $_POST['username'];
$password = $_POST['password'];

if ($username && $password) {

    $query = "SELECT password, rank FROM user WHERE username=?";

    $result = $connect->prepare($query);
    $result->bind_param('s', $username);
    $result->execute();

    $result->bind_result($dbpassword, $dbrank);
    $result->store_result();
    $result->fetch();

    $numrows = $result->num_rows();

    if($numrows !=0) {
        $hash = password_hash($password, PASSWORD_DEFAULT);
        $dbusername = $username;
        if ($username == $dbusername && password_verify($password, $dbpassword)) {
            echo "Login successful. <br><br> <a href='membersarea.php'>Click here to enter the members area</a>";
            $_SESSION['username'] = $dbusername;
            $_SESSION['rank'] = $dbrank;
        } else {
            echo "Incorrect password...";
            echo $hash;
        }
    } else {
        die ("That username doesn't exist...");
    }
} else {
    die ("Please enter a username and password...");
}

?>