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The following files exists in this folder. Click to view.

admin.json
anvandare.php
bank.php
check_login.php
errase.php
errase_anvandare.php
ester.json
index.php
login.php
logout.php
nej.json
pinne.json
signup.php
skapa_konto.php
tuva.json

`errase.php`

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```php
<?php

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

$filename = $username . '.json';
if (!file_exists($filename)) {
    header('location:index.php?mess=Kontot finns inte');
    exit();
}

$users = json_decode(file_get_contents($filename), true);

foreach ($users as $user) {
    if ($user['username'] == $username && $user['password'] == $password){
        if (unlink($filename)) {
            header('location:index.php?mess=Kontot har raderats');
            exit();
        } 
    }
}