LARAVEL Research & Evidence-Based Practice 3

Question 1

Which Laravel debugging package captures queries, exceptions, logs, and request data in a toolbar injected into the browser response?

Accepted Answer

Debugbar (barryvdh/laravel-debugbar)

Answer

Laravel Debugbar by Barry vd. Heuvel injects a toolbar into responses showing queries, memory, timeline, and logs.

Question 2

When benchmarking Eloquent vs raw query performance, which method executes a raw SQL query and returns an array of stdClass objects without Eloquent overhead?

Accepted Answer

DB::select()

Answer

DB::select() executes a raw SQL SELECT statement and returns an array of stdClass objects without Eloquent overhead.

Question 3

According to Laravel documentation, which relationship loading strategy resolves the N+1 query problem that evidence-based testing should confirm?

Accepted Answer

Eager loading using the with() method

Answer

Eager loading with with() pre-loads related models in a single additional query, eliminating N+1 query issues.

Question 4

Which artisan command, added in Laravel 10, helps developers research the configuration values currently active in a running application?

Accepted Answer

php artisan config:show

Answer

`php artisan config:show` displays all resolved configuration values for a given file or dot-notation key.

Question 5

When researching third-party Laravel packages for reliability on Packagist, which metric is most indicative of long-term community maintenance?

Accepted Answer

Number of maintainers and recent release frequency

Answer

Recent release frequency and active maintainers are the strongest evidence of a package being actively supported.

LARAVEL - Laravel PHP Framework Practice Test

LARAVEL - Laravel PHP Framework Practice Test

LARAVEL Research & Evidence-Based Practice 3