Pdo V20 Extended Features

#[PDO\Entity(table: 'users')] class User #[PDO\Column(type: 'int', primary: true)] public int $id; #[PDO\Column('email')] public string $email;

foreach ($stmt->paginate(50, 'created_at') as $page) foreach ($page as $row) process($row); pdo v20 extended features

For nearly two decades, PHP Data Objects (PDO) has been the gold standard for database abstraction in PHP. It provided a consistent, secure (via prepared statements), and flexible interface for accessing various database systems. However, as modern applications demand microsecond response times, complex data structures (JSON/Vector), and asynchronous operations, the traditional PDO extension began to show its age. For debugging and profiling, PDO v20 adds a

$pdo->setAttribute(PDO::ATTR_ASYNC, true); $stmt = $pdo->prepare("SELECT * FROM huge_table"); $stmt->executeAsync(); // Do other work while DB processes $result = $stmt->fetchAllAsync(); // Non-blocking completion One of the most requested v20 extended features is rich data type hydration . Previously, PDO returned everything as strings unless you used PDO::PARAM_INT . Now, the extended feature set includes automatic mapping for: For debugging and profiling

The method returns the number of affected rows and an array of failed indices. For debugging and profiling, PDO v20 adds a built-in event system (no need for APM agents).

$pdo = new PDO("mysql:host=db;dbname=app", user, pass, [ PDO::ATTR_LAZY_CONNECT => true ]); // No network I/O happens here $pdo->query("SELECT 1"); // Connection opens now You can now inspect a prepared statement without executing it: