Converting a carbon date to mysql timestamp.
Stefan Izdrail
Founder & Senior Architect · 2026-06-29
Converting a Carbon Date to MySQL Timestamp: A Comprehensive Guide for Developers
In this blog post, we'll discuss how to convert Carbon timestamps to MySQL timestamps in your Laravel application. Carbon is an excellent PHP library for manipulating dates and times. However, when working with databases, using the native Carbon timestamp may cause issues if not properly converted. Let's dive into the issue, examples, and solutions step by step.
First, let us understand what a Carbon object is and how it differs from a MySQL timestamp. A Carbon object is a PHP data type that allows for manipulating dates and times in an easy way. It provides convenience methods for parsing or creating different date formats. On the other hand, a MySQL timestamp column stores time information in the form of UNIX timestamps (integer values representing the number of seconds elapsed since the Unix Epoch, January 1, 1970 at midnight UTC).
Consider the following code sample:
```php
public function store(CreateArticleRequest $request) {
$input = $request->all();
// Variable Dump
var_dump($input);
$input['published_at'] = Carbon::now();
var_dump($input);
Article::create($input);
}
```
Given the code snippet, we see that we're receiving a request and processing its data. The code dumps show that a 'published_at' key has been assigned with Carbon::now() which returns a Carbon object containing the current date and time. But when this is used in the database query, it generates an error or doesn't function properly since it's not in the MySQL timestamp format.
So how do we resolve this issue? There are two possible solutions:
1. Use the `toDateTimeString()` method provided by Laravel which directly converts a Carbon object into its corresponding MySQL timestamp format. This would look like:
```php
$input['published_at'] = Carbon::now()->toDateTimeString();
```
2. Use the `format()` method to convert Carbon objects explicitly into a specific date/time format that your database can understand. This approach is useful when you need more control over how the timestamp should be displayed, but requires proper knowledge of the MySQL timestamp formatting rules. This would look like:
```php
$input['published_at'] = Carbon::now()->format('Y-m-d H:i:s');
```
Both solutions provide a functional yet elegant way to convert Carbon objects into MySQL timestamps, ensuring that your application can store and retrieve this data without any issues.
In conclusion, understanding the differences between Carbon objects and MySQL timestamps is crucial in order to ensure correct storage and retrieval of date and time information from a database. By utilizing the proper conversion methods or format control, you'll be able to avoid potential errors and maintain the integrity of your Laravel application data. Happy coding!