// create a PDO object and connect to the database $pdo = new PDO('mysql:host=localhost;dbname=mydatabase', 'myusername', 'mypassword'); // begin a transaction $pdo->beginTransaction(); // execute a query $pdo->query('INSERT INTO mytable (name, age) VALUES ("John Smith", 25)'); // execute another query $pdo->query('UPDATE mytable SET age = 26 WHERE name = "John Smith"'); // commit the transaction if all queries were successful $pdo->commit();
// begin a transaction DB::beginTransaction(); // create a new user object $user = new User; $user->name = 'John Smith'; $user->age = 25; $user->save(); // update the user's age $user->age = 26; $user->save(); // commit the transaction if all queries were successful DB::commit();In both these examples, the `beginTransaction` method is used to start the transaction. The queries are then executed, and if all queries are successful, the `commit` method is called to commit the transaction. If any of the queries fail, the transaction is rolled back using the `rollBack` method. The `beginTransaction` method is typically found in packages that provide database abstractions and ORM libraries in PHP, such as PDO and Eloquent.