Pdo V2.0 Extended Features !!top!!

PDO v2.0 introduces named parameters, which allow you to bind parameters to a query using a name instead of a positional index. This feature improves code readability and reduces errors.

try $pdo->prepare("INSERT INTO users (id) VALUES (?)")->execute([null]); catch (PDOException $e) echo $e->getMessage(); // "SQLSTATE[23000]: Integrity constraint violation" echo $e->getDetailedInfo(); // "Column 'id' cannot be null. Query: INSERT INTO users (id) VALUES (?) → Parameters: [null]" pdo v2.0 extended features

Web applications often need to execute multiple SQL statements in a single round trip—for example, inserting a parent record followed by several child records. While some native drivers supported multi-query, PDO 1.x lacked a standardized interface. PDO 2.0 introduces the multiQuery() method, which executes a batch of semicolon-separated statements and returns an iterator of result sets. PDO v2

$ids = [1,2,3]; $placeholders = implode(',', array_fill(0, count($ids), '?')); $stmt = $pdo->prepare("SELECT * FROM users WHERE id IN ($placeholders)"); $stmt->execute($ids); Query: INSERT INTO users (id) VALUES (