$pdo->exec('PRAGMA journal_mode=WAL'); // concurrency $pdo->exec('CREATE TABLE users (id INT, name TEXT) STRICT'); // strict typing Old PDO had messy error handling. Modern extended features clean it up. 6.1 Exception Subclassing PDO now throws PDOException with richer context:
Embrace the v20 mindset. Your database layer will thank you. Have questions about implementing PDO v20 extended features in your project? Leave a comment below or explore the official PHP manual for PDO. pdo v20 extended features
$stmt = $pdo->query("SELECT id, email FROM users"); for ($i = 0; $i < $stmt->columnCount(); $i++) { $meta = $stmt->getColumnMeta($i); // Returns: table, native_type, pdo_type, flags, name, len, precision if (in_array('primary_key', $meta['flags'])) { echo "Primary key: " . $meta['name']; } } This is invaluable for dynamic query builders and admin panels. Modern PDO allows retrieving statement-level driver-specific attributes: Your database layer will thank you
if ($stmt->getAttribute(PDO::ATTR_DRIVER_NAME) === 'mysql') { $stmt->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false); } No more guessing which driver you're on. 4.1 Lazy Connections (PHP 8.1) Using PDO::ATTR_EMULATE_PREPARES wisely is old news. The real v20 feature is implicit lazy connection via proxies: $stmt = $pdo->query("SELECT id, email FROM users"); for
$stmt = $pdo->prepare("SELECT * FROM users WHERE email = :email AND status = ?"); $stmt->execute([':email' => 'a@b.com', 1]); // works! While not native, modern tooling like pdo-debug extends PDO with query analysis:
#[Entity(table: 'users')] class User { #[Column(type:'integer', primary: true)] private int $id; #[Column(type:'string')] private string $email; }
$pdo->exec('PRAGMA journal_mode=WAL'); // concurrency $pdo->exec('CREATE TABLE users (id INT, name TEXT) STRICT'); // strict typing Old PDO had messy error handling. Modern extended features clean it up. 6.1 Exception Subclassing PDO now throws PDOException with richer context:
Embrace the v20 mindset. Your database layer will thank you. Have questions about implementing PDO v20 extended features in your project? Leave a comment below or explore the official PHP manual for PDO.
$stmt = $pdo->query("SELECT id, email FROM users"); for ($i = 0; $i < $stmt->columnCount(); $i++) { $meta = $stmt->getColumnMeta($i); // Returns: table, native_type, pdo_type, flags, name, len, precision if (in_array('primary_key', $meta['flags'])) { echo "Primary key: " . $meta['name']; } } This is invaluable for dynamic query builders and admin panels. Modern PDO allows retrieving statement-level driver-specific attributes:
if ($stmt->getAttribute(PDO::ATTR_DRIVER_NAME) === 'mysql') { $stmt->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, false); } No more guessing which driver you're on. 4.1 Lazy Connections (PHP 8.1) Using PDO::ATTR_EMULATE_PREPARES wisely is old news. The real v20 feature is implicit lazy connection via proxies:
$stmt = $pdo->prepare("SELECT * FROM users WHERE email = :email AND status = ?"); $stmt->execute([':email' => 'a@b.com', 1]); // works! While not native, modern tooling like pdo-debug extends PDO with query analysis:
#[Entity(table: 'users')] class User { #[Column(type:'integer', primary: true)] private int $id; #[Column(type:'string')] private string $email; }
