<?php require_once __DIR__ . '/../lib/common/customFunctions.php'; spl_autoload_register(function (string $class) { $path = explode('\\', $class); $className = array_pop($path); array_shift($path); $path = strtolower(implode('/', $path)); $path = __DIR__ . '/../lib/' . $path . '/' . $className . '.php'; if (file_exists($path)) { require_once $path; } });