<?php use DataStructures\Item; spl_autoload_register(function ($class) { $tmp = explode('\\', $class); $file = $tmp[count($tmp) - 1]; require "{$file}.php"; }); $item = new Item('AA', 666); echo (string) $item->getKey() . "\n"; echo (string) $item->getHashCode() . "\n"; echo (string) $item->getValue() . "\n";