Flintstone - A key/value database store using flat files for PHP

<?php

try {

    // Load flintstone
    $db = new Flintstone(array('dir' => '/path/to/database/dir/'));

    // Set keys
    $db->load('users')->set('bob', array('email' => 'bob@site.com', 'password' => '123456'));
    $db->load('users')->set('joe', array('email' => 'joe@site.com', 'password' => 'test'));
    $db->load('settings')->set('site_offline', 1);
    $db->load('settings')->set('site_back', '3 days');

    // Retrieve keys
    $user = $db->load('users')->get('bob');
    echo 'Bob, your email is ' . $user['email'];

    $offline = $db->load('settings')->get('site_offline');
    if ($offline == 1) {
        echo 'Sorry, the website is offline<br>';
        echo 'We will be back in ' . $db->load('settings')->get('site_back');
    }

    // Delete a key
    $db->load('users')->delete('joe');

    // Flush database
    $db->load('users')->flush();
}
catch (Exception $e) {
    echo 'Exception: ' . $e->getMessage();
}