route.php

<?php
// Routes

$app->get('/', function ($request, $response, $args) {
    // Sample log message
    $this->logger->info("Slim-Skeleton '/' route");

    // Render index view
    return $this->renderer->render($response, 'index.phtml', $args);
});

$app->get('/get-data', function($request, $response, $args){
    return Account::all()->toJson();
});

$app->post('/insert-data', function($request, $response, $args){
    $input = $request->getParsedBody();
    $account = new Account;
    $account->id = $input['id'];
    $account->username = $input['username'];
    $account->email = $input['email'];
    $account->password = $input['password'];
    $account->save();

    return $account->toJson();
});

$app->put('/update-data', function($request, $response, $args){
    $input = $request->getParsedBody();
    $find = Account::where('id', '=', $input['id'])->first();
    $find->username = $input['username'];
    $find->email = $input['email'];
    $find->password = $input['password'];
    $find->save();

    return $find->toJson();
});

$app->delete('/delete-data', function($request, $response, $args){
    $input = $request->getParsedBody();
    $find = Account::where('id', '=', $input['id'])->first();
    $find->delete();
});