startPage

<!DOCTYPE html>
<!--

-->
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" href="footer2.css">
    <title> Webbutveckling 2</title>

</head>
<body>

<h1> Uppgift 2a - Skapa en användare och logga sedan in! </h1>

<?php

//nedan inkluderar/bifogar jag sidan "footer.php".
include 'footer2.php';

echo "<br>";
session_start();

function createUser(){

    $user_username = $_POST['userName'];
    $user_password = $_POST['passWord'];
    $password_hashed = password_hash($user_password, PASSWORD_DEFAULT);

    $user_usernameLower = strtolower($user_username);

    $accountInfo = $user_usernameLower . ":" . $password_hashed . "\n";
    $filepath = fopen('useraccounts.txt', 'a+');
    $file = "useraccounts.txt";

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

        if (file_exists($file)) {
            $content = file_get_contents($file);
            $content = explode("\n", $content);
            $users = array();

            foreach ($content as $value) {
                $user = explode(':', $value);
                $users[$user[0]] = $user[1];
            }

            if (isset($users[$_POST['userName']])) {
                echo "that username is already taken";
            } elseif (empty($user_username) || empty($user_password)) {
                echo "Please, Fill in both password and username";
            } else {
                fwrite($filepath, $accountInfo);
                echo "Account created! ";
            }
            fclose($filepath);
        }
    }
}

createUser();
?>

<br>

<form action="" method="post">
    <label> Skapa användare nedan </label><br>
    <label>Username: </label><input type="text" name="userName" placeholder="Username">
    <br>
    <label>Password: </label> <input type="password" name="passWord" placeholder="Password">
    <br><br>
    <input type="submit" name="submit_button" value="createUser">
</form>
<br>

<br>
<form action="index.php" method="post">
    <label> Logga in nedan</label><br>
    <label>Username: </label><input type="text" name="userName" placeholder="Username">
    <br>
    <label>Password: </label> <input type="password" name="password" placeholder="Password">
    <br><br>
    <input type="submit" name="submit_button1" value="Login">
</form>


</body>
</html>