Pdo V2.0 Extended Features -

// Auto-recognizes :named, ? and new @named style $result = $pdo->run("SELECT * FROM users WHERE id = @id AND status = @status", ['id' => 5, 'status' => 'active']); A major extension for high-throughput applications. PDO 2.0 introduces promise-like async execution.

$promise1 = $pdo->queryAsync("SELECT * FROM logs WHERE date = CURDATE()"); $promise2 = $pdo->queryAsync("UPDATE stats SET views = views + 1"); // Do other work... pdo v2.0 extended features

| SQL Type | PHP Type | |----------|----------| | INT , SMALLINT | int | | DECIMAL , NUMERIC | string (or float with opt-in) | | BOOLEAN , BIT | bool | | DATE , DATETIME | DateTimeImmutable | | JSON , JSONB | array / stdClass | // Auto-recognizes :named,

PDO 2.0's extended features modernize PHP database interaction by reducing verbosity, adding async capabilities, enforcing type safety, and improving debugging. It bridges the gap between low-level drivers and full ORMs, making it suitable for both microservices and complex enterprise applications. fetchScalar("SELECT COUNT(*) FROM users")

$logs = $promise1->wait(); $stats = $promise2->wait(); PDO 2.0 automatically maps database column types to native PHP types based on schema metadata.

Eliminates need for manual fetchColumn(0) or fetch(PDO::FETCH_COLUMN) . 2.2 Named Placeholders with Native Array Unpacking PDO 2.0 extends named placeholder support to automatically unpack associative arrays without binding each parameter individually.

| Method | Description | Example | |--------|-------------|---------| | fetchScalar() | Returns single column from first row | $count = $pdo->fetchScalar("SELECT COUNT(*) FROM users"); | | fetchSingle() | Returns first row as object/array | $user = $pdo->fetchSingle("SELECT * FROM users WHERE id = ?", [1]); | | fetchColumnDefault() | Returns column with type inference | $email = $pdo->fetchColumnDefault("SELECT email FROM users LIMIT 1"); |