<?php class Database { protected static $instance; protected $pdo; protected $lastExecute; protected function __construct() { $this->pdo = new PDO('sqlite::memory:'); } public static function instance() { if (null === self::$instance) { self::$instance = new self; } return self::$instance; } /** * @return PDOStatement|false */ public function run($sql, $args = []) { if (!$args) { return $this->pdo->query($sql); } if ($stmt = $this->pdo->prepare($sql)) { $this->lastExecute = $stmt->execute($args); } return $stmt; } /** * @return null|bool */ public function getLastExecute() { return $this->lastExecute; } public function __call($method, $args) { if (is_callable([$this->pdo, $method])) { //php 5.6+ variadic optimization (aka splat operator) return $this->pdo->$method(...$args); //PHP <= 5.5 //return call_user_func_array(array($this->pdo, $method), $args); } throw new \BadMethodCallException(sprintf('Unknown method PDO::%s called!', $method)); } } //RunTime code $db = Database::instance(); $db->run('SELECT ?', ['foo', 'bar']); var_dump($db->getLastExecute()); //false
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