< 1 min readDependency injection (DI) is a design pattern that involves passing objects that a class depends on (its dependencies) as arguments to the class’s constructor or methods. This allows the class to be more loosely coupled and makes it easier to test and maintain. In PHP, dependency injection is typically implemented using constructor injection, where dependencies…
< 1 min readThere are several ways to convert HTML to PDF using PHP. One option is to use a library such as DOMPDF or mPDF. To use DOMPDF, you will first need to install it using composer. Once DOMPDF is installed, you can use it to convert your HTML to PDF like this: This will create a…
< 1 min readIn PHP, $this is a special variable that refers to the current instance of the class. It is used to access properties and methods of the current class within class methods. Here is an example of how $this is used in PHP: In this example, $this->name refers to the $name property of the current instance…
< 1 min readTo specify a port for the PHP development server when using the php artisan serve command, you can use the –port option followed by the desired port number. For example: This will start the development server on port 8000. If you omit the –port option, the development server will use the default port of 8000….
< 1 min readTo redirect back to the previous page with a message in Laravel, you can use the redirect()->back() method and pass a key-value pair to the with() method. The key will be the name of the variable that you want to use to store the message, and the value will be the message itself. Here’s an…
< 1 min readYou can create a model, controller and migration from a single command in Laravel by using the following command. In Laravel 5.6 and newer, you can use the following command,
< 1 min readTo add a comment in a Laravel .env file, you can use a # Hash. For example,
< 1 min readIn Laravel, you can use the last method of the Collection class to get the last item from a collection. Here’s an example of how you can use it: You can also pass a callback function to the last method to determine which item should be considered the last: In this example, the last method…
< 1 min readIn Laravel, you can use the isEmpty method of the Collection class to check if a collection is empty. Here’s an example of how you can use it: You can also use the isNotEmpty method to check if a collection is not empty: You can also use the isEmpty method in a chain of method…
< 1 min readIn Laravel, you can use the migrate:rollback Artisan command to rollback the last migration. To rollback a specific migration, you can pass the –step option to the command, followed by the number of migrations to rollback. For example, to rollback the last 2 migrations, you can run the following command: If you want to rollback…
