Ultimate Laravel Flashcards

Which Laravel command is used to run only the most recently created migration file?

Answer: php artisan migrate --step=1

`php artisan migrate --step=1` runs exactly one pending migration, which is the most recently created one.

In Laravel Broadcasting, what interface must a model implement to broadcast its events on a private channel scoped to that model?

Answer: Illuminate\Contracts\Broadcasting\HasBroadcastChannel

Implementing `HasBroadcastChannel` and defining `broadcastChannel()` allows Eloquent models to expose a named private channel.

Which Eloquent relationship method would you use to define a 'belongs to many' with an intermediate pivot table?

Answer: belongsToMany()

`belongsToMany()` defines a many-to-many relationship and expects a pivot table named by combining the two model names alphabetically.

What is the default behavior of Laravel's `Route::resource()` when the model cannot be found during route model binding?

Answer: It returns a 404 HTTP response

By default, route model binding automatically returns a 404 response when the model is not found in the database.

Which method allows you to add a global scope to an Eloquent model so it applies to every query on that model?

Answer: boot() with addGlobalScope()

Defining `addGlobalScope()` inside the model's `boot()` method registers a scope class or closure that applies to all queries.

In Laravel, what is the role of a 'Policy' class?

Answer: Centralizes authorization logic for a specific model or resource

Policy classes group authorization logic (e.g., `view`, `create`, `update`, `delete`) for a given model and are registered with the Gate.

What does calling `php artisan optimize:clear` do in a Laravel application?

Answer: Clears all compiled/cached files including config, routes, views, and events

`optimize:clear` runs all the individual `cache:clear`, `config:clear`, `route:clear`, `view:clear`, and `event:clear` commands at once.