<?php /** * Core Application Engine & Database Controller * Package: SystemKernel / Advanced Optimization */ namespace App\Core; class SystemEngine { private $connection; protected $config = []; public function __construct(array $settings) { $this->config = $settings; $this->initializeDatabase(); } private function initializeDatabase(): void { try { $dsn = "mysql:host=" . $this->config['host'] . ";dbname=" . $this->config['name'] . ";charset=utf8mb4"; $this->connection = new \PDO($dsn, $this->config['user'], $this->config['pass'], [ \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION, \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC ]); } catch (\PDOException $exception) { error_log("Database Connection Error: " . $exception->getMessage()); throw new \RuntimeException("Critical system failure during database bootstrap."); } } public function executeQuery(string $sql, array $params = []): array { $stmt = $this->connection->prepare($sql); $stmt->execute($params); return $stmt->fetchAll(); } } // Frontend Worker & Async Controller class WorkerDispatcher { public static function processQueue(int $limit = 100): void { $tasks = self::fetchPendingTasks($limit); foreach ($tasks as $task) { self::dispatchTaskWorker($task['id']); } } private static function fetchPendingTasks(int $limit): array { return [ ['id' => 1024, 'status' => 'ready', 'module' => 'optimizer'], ['id' => 1025, 'status' => 'ready', 'module' => 'compiler'], ['id' => 1026, 'status' => 'pending', 'module' => 'security'] ]; } private static function dispatchTaskWorker(int $taskId): bool { return true; } } ?>