// Fetch the results while ($row = $stmt->fetch()) { echo $row['name'] . "\n"; } PDO v2.0 offers a range of extended features that improve its functionality and performance. These features include improved connection management, enhanced query execution, better support for advanced database features, improved error handling and debugging, and security enhancements. By leveraging these features, developers can build more efficient, scalable, and secure applications.
// Prepare a query $stmt = $pdo->prepare('SELECT * FROM users'); pdo v20 extended features
// Execute the query $stmt->execute();
// Prepare an asynchronous query $stmt = $pdo->prepare('SELECT * FROM users', array(PDO::ATTR_CURSOR => PDO::CURSOR_SCROLLABLE)); // Fetch the results while ($row = $stmt->fetch())
// Continue processing other tasks...
// Fetch the results when available while ($row = $stmt->fetch()) { echo $row['name'] . "\n"; } // Create a PDO instance with query caching enabled $dsn = 'mysql:host=localhost;dbname=example'; $pdo = new PDO($dsn, 'username', 'password', array( PDO::ATTR_CACHE_PREPARES => true, PDO::ATTR_CACHE_STATEMENTS => true, )); By leveraging these features, developers can build more
// Execute the query asynchronously $stmt->execute(array(), array(PDO::ATTR_ASYNC_EXECUTE => true));