LARAVEL Research & Evidence-Based Practice 5

Question 1

Which evidence-based approach does Laravel recommend to prevent SQL injection when using raw expressions in the query builder?

Accepted Answer

Use parameter bindings with ? or named placeholders

Answer

Laravel's query builder uses PDO parameter binding for all user input, which prevents SQL injection at the driver level.

Question 2

Which contract should you type-hint to decouple a class from a specific cache implementation, supporting evidence-based dependency inversion?

Accepted Answer

Illuminate\Contracts\Cache\Repository

Answer

Type-hinting Illuminate\Contracts\Cache\Repository decouples the class from any specific cache driver via the service container.

Question 3

When research reveals excessive memory usage in a large data export, which Eloquent method processes records in smaller batches to reduce memory footprint?

Accepted Answer

chunk()

Answer

chunk() retrieves records in batches and passes each batch to a closure, keeping only one chunk in memory at a time.

Question 4

Which Laravel route registration method reduces boilerplate by automatically generating five RESTful API routes from a single line?

Accepted Answer

Route::apiResource()

Answer

Route::apiResource() registers five RESTful routes (index, store, show, update, destroy) without the HTML form routes.

Question 5

When comparing authentication packages for a new project, which two packages does Laravel officially maintain for different authentication use cases?

Accepted Answer

Both Sanctum and Passport are officially maintained

Answer

Laravel maintains both Sanctum (lightweight SPA/mobile tokens) and Passport (full OAuth2 server) for different use cases.

LARAVEL - Laravel PHP Framework Practice Test

LARAVEL - Laravel PHP Framework Practice Test

LARAVEL Research & Evidence-Based Practice 5