Pdo V20 Extended Features

: Turn on PDO::ERRMODE_EXCEPTION and PDO::ATTR_STRINGIFY_FETCHES => false to catch hidden data-type mismatches.

// Execute the query asynchronously $stmt->execute(array(), array(PDO::ATTR_ASYNC_EXECUTE => true));

$stmt = $pdo->query('SELECT is_active, login_count FROM users LIMIT 1'); $row = $stmt->fetch(PDO::FETCH_ASSOC); // In PDO v20, these assertions are strictly true: is_bool($row['is_active']); // true is_int($row['login_count']); // true Use code with caution. Object Hydration via Constructor Promotion pdo v20 extended features

public function updateStatus(int $id, UserStatus $status): bool $sql = "UPDATE users SET status = ? WHERE id = ?"; $stmt = $this->pdo->prepare($sql); return $stmt->execute([$status->value, $id]);

$stmt = $pdo->prepare("SELECT * FROM users WHERE email = :email AND status = ?"); $stmt->execute([':email' => 'a@b.com', 1]); // works! WHERE id =

: Some versions include a menu to manage how law enforcement responds to crimes, allowing for longer or more intense shootouts.

PDO v20 introduced mandatory context objects . You would see the query template with placeholders intact

You would see the query template with placeholders intact.

As its name suggests, portability was a major extended feature. PDO was available for multiple platforms, including Solaris, HP-UX, and various versions of OPENSTEP. This allowed developers to build truly heterogeneous distributed systems.