conn = new mysqli($this->servername, $this->username, $this->password, $this->dbname); if ($this->conn->connect_errno) { echo "connecton failed... nr: " . $this->conn->connect_errno . " -- " . $this->conn->connect_error; } } public static function getInstance() { if (!self::$instance) { self::$instance = new Database(); } return self::$instance; } public function getConnection() { return $this->conn; } public function getDatabaseName(){ return $this->dbname; } }