<?phptry { $dbh = new PDO("sqlite::memory:");} catch(PDOException $e) { print $e->getMessage();}$dbh->query("CREATE TABLE foo(id INT)");$stmt = $dbh->prepare("INSERT INTO foo VALUES(:value)");$value = null;$data = array(1,2,3,4,5);$stmt->bindParam(":value", $value);/* ?????? */try { foreach($data as $value) { /* ????? */ }} catch(PDOException $e) { /* ??????? */}/* ?????? */?>