created_at and updated_at don't update automatically on insert in laravel
Stefan Bogdanescu
Founder & Senior Architect · 2026-06-29
# The Mystery of Missing Timestamps: Why `created_at` and `updated_at` Don't Update on Mass Insertion in Laravel
As a senior developer working with the Laravel ecosystem, we frequently encounter scenarios where the expected behavior of Eloquent models seems to break down under certain operations. One very common stumbling block involves the automatic management of `created_at` and `updated_at` timestamps, especially when performing bulk operations like mass insertion using methods such as `Model::insert()`.
If you are running into issues where your timestamps are not being populated automatically during a bulk insert, you are not alone. This post will diagnose why this happens and provide robust, practical solutions to ensure your data integrity remains intact.
## Understanding the Root Cause: Eloquent Lifecycle vs. Mass Operations
The core of the issue lies in how Eloquent handles model lifecycle events versus how mass insertion methods operate.
When you use standard Eloquent methods like `$model->save()`, Laravel hooks into the model's events, triggering the necessary logic to set or update the `created_at` and `updated_at` columns before persisting the changes to the database. This is the intended behavior when using timestamps defined via the `timestamps()` method in your migration (as seen in your example).
However, methods like `Model::insert($data)` bypass this standard Eloquent lifecycle entirely. The `insert()` method is designed for raw, high-performance bulk operations. It executes a direct SQL `INSERT` statement. Because it doesn't instantiate a full Eloquent model object and trigger the necessary mutators or observers, the automatic timestamp logic is skipped, resulting in empty or default values for those columns if they were not explicitly provided in the input data.
## Solution 1: The Recommended Eloquent Approach (For Single Records)
For inserting single records where you need Laravel’s full model functionality—including timestamps—the safest and most idiomatic approach is to instantiate a model, populate it, and then save it. This guarantees that all Eloquent magic runs correctly.
```php
use App\Models\User;
public function store(Request $request) {
// 1. Create the model instance
$user = new User;
// 2. Populate the data
$data = [
'name' => !empty($request->name) ? $request->name : 'Jony',
'created_by' => auth()->user()->id,
'created_by_user' => auth()->user()->name,
];
// 3. Assign the data and save (This triggers timestamps automatically)
$user->fill($data);
$user->save(); // Timestamps are correctly set here!
}
```
## Solution 2: Fixing Mass Insertion with Manual Timestamp Injection
If performance dictates that you *must* use `::insert()` for bulk operations, the solution is to manually provide the timestamp values within your data array. This forces the database insertion to include the necessary fields, bypassing Eloquent's missing automatic logic.
You can leverage Laravel's Carbon library to generate current timestamps directly before insertion:
```php
use App\Models\User;
use Illuminate\Support\Carbon;
public function bulkStore(array $data) {
$recordsToInsert = [];
foreach ($data as $item) {
// Manually inject the required timestamp fields
$record = [
'name' => $item['name'],
'created_by' => $item['created_by'] ?? null,
'created_by_user' => $item['created_by_user'] ?? null,
// CRITICAL FIX: Manually setting timestamps
'created_at' => Carbon::now(),
'updated_at' => Carbon::now(),
];
$recordsToInsert[] = $record;
}
User::insert($recordsToInsert);
}
```
## Final Thoughts and Best Practices
While manually injecting timestamps solves the immediate problem with `::insert()`, remember that for most application logic, relying on Eloquent's built-in features is preferable. As you continue to build complex applications, understanding the difference between ORM methods (`save()`) and raw database operations (`insert()`) is crucial.
Whenever possible, favor the full Eloquent lifecycle for data creation. For robust database interactions in Laravel, always refer back to the official documentation provided by [laravelcompany.com](https://laravelcompany.com) for the most up-to-date best practices on Eloquent relationships and schema management. By understanding these underlying mechanics, you can write more predictable and maintainable code.