For any developer knowing how to generate dynamic QR codes and allow users to download them as image files is an important task. QR codes are playing an important role in many industries like online payments, eCommerce, or ticket booking. Nowadays sharing QR codes on visiting cards is also very common. The QR code stores
While working with file download functionality with the database, we commonly face an error that says file not found. So if we add functionality to check file exists or not before the actual searching file then we can provide a better user experience. PHP provides many built-in functions to handle file operations easily. Some of
In this example, we will check the database connection in Laravel. Before starting to create a new Laravel application start your database services like XAMPP or WAMPP and change database credentials in the .env file. Here, we will check database is connected and get an active database name using DB helper. To check database exists
Sometimes we face issues in getting data or getting the wrong data. We can resolve this type of issue using row SQL queries but for that, we need to convert the eloquent queries into row queries. Laravel provides two ways to get row queries. Using Laravel Eloquent methods This method to get the query of
In this example, we will get a list of all files from the directory in Laravel using the Storage Facade. It’s focused on how to get all files in a directory Laravel. I would like to show you that Laravel gets all files in the directory. In PHP or Laravel there are many ways to
Working with dates, we need to display formatted dates to users and store dates in the database in a specific format. Laravel provides a few ways to implement this functionality like an accessor by defining a custom function or by converting the date every time. For this example, we will define the accessor function into
Sometimes we need to delete all the data from a table. Some tables are just to store temporary data. So we need to delete or empty the table using a specific time or event. Laravel or Eloquent has many methods from query to static from removing all records from the table like DB class with
The common data storage method in Laravel is collection. The Collection class allows you to chain its methods to perform fluent mapping and reduce the underlying array. It provides most methods like array methods. There are many methods to check whether the collection is empty or not with examples. Let’s know more about them one
Laravel uses collection classes as common data storage. But while creating APIs JSON is an idle data type to return response data instead of a collection. In this tutorial, you will learn how to convert collection data into JSON strings. Those data can be a model instance or even a manually created collection. We will
In every application, data validation before executing further logic is required. Laravel provides an easy way to implement data or user input validation using its validator methods. Laravel has a special request class concept for validation. Which separate validation logic and actual logic. But sometimes working with Laravel request validation class, we need to return
