Storing and retrieving cache in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is caching in Laravel?

Caching in Laravel means saving data temporarily to speed up your app by avoiding repeated work.

beginner

How do you store data in cache using Laravel's Cache facade?

Use Cache::put('key', 'value', seconds) to save data with a key and expiration time.

beginner

How to retrieve cached data in Laravel?

Use Cache::get('key') to get the stored value by its key. If key not found, returns null or default.

intermediate

What happens if you try to get a cache key that does not exist?

Laravel returns null or a default value if provided, so your app can handle missing cache safely.

intermediate

How can you check if a cache key exists in Laravel?

Use Cache::has('key') which returns true if the key exists and false if not.

Which method stores data in Laravel cache?

A Cache::has()

B Cache::put()

C Cache::get()

D Cache::forget()

Cache::put() saves data in the cache with a key and expiration time.

What does Cache::get('key') return if the key is missing?

A Throws an error

B Creates the key automatically

C Returns false

D Returns null or default value

Cache::get() returns null or a default value if the key does not exist.

How do you check if a cache key exists in Laravel?

A Cache::has('key')

B Cache::exists('key')

C Cache::check('key')

D Cache::find('key')

Cache::has('key') returns true if the key exists in cache.

Which of these is NOT a valid cache operation in Laravel?

A Cache::delete()

B Cache::get()

C Cache::put()

D Cache::forget()

Cache::delete() is not a Laravel method; use Cache::forget() to remove keys.

What parameter is required when storing cache with Cache::put()?

A Only key

B Only key and value

C Key, value, and expiration time

D Only value and expiration time

Cache::put() requires a key, value, and expiration time (or a DateTime instance). Expiration time is optional but recommended.

Explain how to store and retrieve data from cache in Laravel with examples.

Think about saving and reading data quickly to avoid repeating work.

Describe how Laravel helps check if cached data exists and how to handle missing cache keys.

Consider how your app stays safe when cache is empty.