The latest() Bug That Silently Duplicated Transaction IDs in Production

📰 Dev.to · Ahmad Fauzan Alghifari

Using Model::latest()->first() to get the latest record by ID can silently duplicate transaction IDs in production

intermediate Published 20 Apr 2026

Action Steps

Identify instances of Model::latest()->first() in your codebase
Replace them with Model::orderBy('id', 'desc')->first() to ensure correct ordering
Test your application to catch any potential errors or inconsistencies
Consider adding automated tests to prevent similar issues in the future
Review your database to detect and fix any existing duplicated transaction IDs

Who Needs to Know This

Backend engineers and developers who use Eloquent in Laravel should be aware of this issue to prevent data inconsistencies in their applications. This affects teams working on e-commerce, finance, or other transaction-based systems where data integrity is crucial.

Key Insight

💡 Using latest() without proper ordering can lead to unexpected behavior and data corruption