PDO v2.0 supports asynchronous queries, which allow you to execute queries in the background without blocking the main thread.
The underlying driver (e.g., MySQLi’s async or Postgres libpq) manages the multiplexing. Use with caution: transactions and connection‑specific state must be handled manually. pdo v2.0 extended features
Example usage patterns (conceptual)
; Configuration in php.ini pdo.pool_enabled = 1 pdo.pool_max_connections = 50 pdo.pool_idle_timeout = 60 Use code with caution. 3. Asynchronous Query Execution PDO v2