initial for idiorm

vendor/j4mie/idiorm/docs/transactions.rst

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+Transactions
+============
+
+Idiorm doesn’t supply any extra methods to deal with transactions, but
+it’s very easy to use PDO’s built-in methods:
+
+.. code-block:: php
+
+    <?php
+    // Start a transaction
+    ORM::get_db()->beginTransaction();
+
+    // Commit a transaction
+    ORM::get_db()->commit();
+
+    // Roll back a transaction
+    ORM::get_db()->rollBack();
+
+For more details, see `the PDO documentation on Transactions`_.
+
+.. _the PDO documentation on Transactions: https://secure.php.net/manual/en/pdo.transactions.php