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Understanding Facades in Laravel

What's a Facade?

The Laravel explination, shown below is confusing.

Facades provide a "static" interface to classes that are available in the application's service container. Laravel ships with many facades which provide access to almost all of Laravel's features. Laravel facades serve as "static proxies" to underlying classes in the service container, providing the benefit of a terse, expressive syntax while maintaining more testability and flexibility than traditional static methods.

Many examples use Cache::get('key') to demonstrate how a Facade works. Comparing the following code to the utility that a Facade provides.

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SeedDatabase trait along with SeedDatabaseState class gives your Laravel project the ability to seed the testing database once before running the full suite tests, which improves the speed of the tests than seeding the testing database before each test.

Also, it has the option to run custom seeders instead of the seeders that are called in the run() method of the DatabaseSeeder class you can achieve that as follows

...in the Testcase.php

public function setUp()

{

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