LARAVEL Research & Evidence-Based Practice 4

Question 1

When research shows an application sends too many redundant HTTP requests to external APIs, which Laravel method caches the response with automatic TTL expiration?

Accepted Answer

Cache::remember()

Answer

Cache::remember() retrieves a cached value or executes a callback and stores the result for a given TTL.

Question 2

Which Laravel Telescope watcher should be enabled when researching unexpected Eloquent model state changes across a request lifecycle?

Accepted Answer

ModelWatcher

Answer

Telescope's ModelWatcher records Eloquent model events (created, updated, deleted), revealing unexpected state mutations.

Question 3

According to Laravel's documentation on HTTP testing, which method puts the Http facade into a mode that prevents real outbound requests during tests?

Accepted Answer

Http::fake()

Answer

Http::fake() prevents actual HTTP requests and allows you to define stub responses for specific URL patterns.

Question 4

When profiling reveals slow Eloquent queries, which method inspects the raw SQL Eloquent will generate without actually executing the query?

Accepted Answer

->toSql()

Answer

->toSql() returns the raw SQL string with question-mark placeholders for bindings without executing the query.

Question 5

Which Laravel package performs static analysis to detect bugs, wrong type hints, and undefined variables without running the application?

Accepted Answer

Larastan (nunomaduro/larastan)

Answer

Larastan extends PHPStan with Laravel-specific rules, performing deep static analysis without executing the application.

LARAVEL - Laravel PHP Framework Practice Test

LARAVEL - Laravel PHP Framework Practice Test

LARAVEL Research & Evidence-Based Practice 4