Config caching in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is config caching in Laravel?

Config caching is a process that combines all configuration files into a single file to speed up the application's loading time by reducing file reads.

beginner

How do you create a config cache in Laravel?

You run the command php artisan config:cache in the terminal to generate a cached configuration file.

intermediate

What happens if you change a config file after caching the config in Laravel?

Changes to config files will not take effect until you clear and regenerate the config cache using php artisan config:clear and php artisan config:cache.

beginner

Why should you use config caching in a Laravel production environment?

Because it improves performance by loading all config settings from a single cached file instead of multiple files, reducing disk access and speeding up the app.

beginner

How do you clear the config cache in Laravel?

Run php artisan config:clear to remove the cached config file and make Laravel read config files directly again.

What command creates the config cache in Laravel?

A php artisan cache:cache

B php artisan cache:clear

C php artisan config:cache

D php artisan config:clear

The command php artisan config:cache generates the cached config file.

If you update a config file, what should you do to apply changes when config caching is used?

A Restart the server

B Run php artisan config:clear and then php artisan config:cache

C Nothing, changes apply automatically

D Run php artisan cache:clear only

You must clear and regenerate the config cache to apply changes.

Why is config caching recommended in production?

A It reduces the number of config files

B It encrypts config files for security

C It disables config file editing

D It improves app performance by loading config faster

Config caching speeds up config loading, improving performance.

What does the command php artisan config:clear do?

A Removes the cached config file

B Deletes all config files

C Creates a new config cache

D Restarts the Laravel app

It removes the cached config so Laravel reads config files directly.

Which of these is NOT true about config caching?

A It automatically updates when config files change

B It combines all config files into one cached file

C It improves app startup speed

D It requires artisan commands to refresh after changes

Config cache does NOT update automatically; manual refresh is needed.

Explain what config caching is and why it is useful in Laravel.

Think about how loading many files can slow things down.

Describe the steps to update your config settings when config caching is enabled.

Remember the commands to clear and rebuild the cache.