👀 Views: 58 💬 Answers: 1 📅 Created: 2025-06-07

PHP PDO Database Transactions

I'm writing unit tests and I've looked through the documentation and I'm still confused about After trying multiple solutions online, I still can't figure this out. I need some guidance on I'm stuck on something that should probably be simple..... I'm working with an scenario in PHP 8.1 while working with PDO for database transactions. I have a scenario where I'm trying to insert data into multiple tables, and if any of those insertions unexpected result, I want to roll back all changes to maintain data integrity. However, I am experiencing unexpected behavior where the rollback seems to not revert all changes, and I need to figure out why. Here's a simplified version of my code: ```php try { $pdo = new PDO('mysql:host=localhost;dbname=testdb', 'user', 'password'); $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $pdo->beginTransaction(); $stmt1 = $pdo->prepare('INSERT INTO table1 (column1) VALUES (:value1)'); $stmt1->execute([':value1' => 'testValue1']); $stmt2 = $pdo->prepare('INSERT INTO table2 (column2) VALUES (:value2)'); $stmt2->execute([':value2' => 'testValue2']); // Simulating an behavior $stmt3 = $pdo->prepare('INSERT INTO table3 (column3) VALUES (:value3)'); $stmt3->execute([':value3' => null]); // This should trigger an behavior $pdo->commit(); } catch (Exception $e) { $pdo->rollBack(); echo "Failed: " . $e->getMessage(); } ``` After the rollback is triggered, I still see that the first two insertions appear to have been committed to the database, which shouldn't be happening. I've checked the behavior mode, and I've confirmed that exceptions are being thrown as expected when trying to insert null into a non-nullable column. I have also verified the database connection and the integrity of the database schema, ensuring that the constraints are set appropriately. Is there a specific setting or best practice I might be overlooking that could prevent the rollback from working correctly? Any insights or suggestions would be greatly appreciated! Thanks in advance! I'd really appreciate any guidance on this. This is part of a larger REST API I'm building. Hoping someone can shed some light on this. This is happening in both development and production on Linux. Any feedback is welcome! I'm working in a Windows 11 environment. How would you solve this? I'm working in a Windows 11 environment. Cheers for any assistance!