test.php

<?php

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

// include_once "vendor/autoload.php";

// Just included in order to test.
include_once "DBCache.php";
include_once "DB.php";
include_once "DBInstance.php";

use Cache\DBCache;

// Connect to PDO sqlite
$pdo_url = 'sqlite:./database.lite';

// Create a connection
$conn = new PDO($pdo_url);

// Create cache object - second param is the DB cache table
$cache = new DBCache($conn, 'cache_system');

// Some kind of unique key. Usually a string but an array or object will work as well
$cache_key = array('Hello world');

// Use assoc in json_decode
$cache->assoc = true;

// Cache for 10 seconds
$cache_res = $cache->get($cache_key, 10);

// Cache return NULL if no result or if result is outdated
if ($cache_res === null) {
    echo "No cache result. Setting cache\n";

    $cache_value = array(0 => 'test', 'str_key' => 'Hello there World ÆØÅ! and som random stuff: ' . rand());

    echo "Setting cache\n";

    $cache->set($cache_key, $cache_value);
} else {

    // output the cache result
    print_r($cache_res);

}

// Test for a bit more variables
function test_10000($cache)
{

    for ($i = 0; $i < 10000; $i++) {
        if ($i % 1000 === 0) {
            echo "$i\n";
        }
        $cache->set($i, $i . ' ' . rand());
    }
}

// test_10000($cache);
$res = $cache->get(7985);
var_dump($res);