$database = database::select("SELECT * FROM eventos");

<?php
class database{

    protected static $driver = 'mysql';
    protected static $host = 'localhost';
    protected static $port = 3306;
    protected static $user = 'root';
    protected static $pass = 'vertrigo';
    protected static $database = 'noweb';
    public $link = null;

    public function __construct(){

        try{

            $this->link = new PDO(self::$driver.":host=".self::$host.";port=".self::$port.";dbname=".self::$database, self::$user, self::$pass);

        }catch(PDOException $i){

            die("Ocorreu um erro ao fazer conexão: <code>".$i->getMessage()."</code>");
        }

    }

    static function select($sql){

        $query = $this->link->query($sql);
        $rs = $query->fetchAll(PDO::FETCH_OBJ) or die(print_r($query->errorInfo(), true));

        return $rs;
    }
}

?>

database::FUNÇÃO('parametros');