Uploading files in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the basic Laravel method to handle file uploads in a controller?

Use the store() method on the uploaded file instance, like $request->file('photo')->store('folder') to save the file in storage.

beginner

How do you validate an uploaded file in Laravel?

Use the validate() method on the request with rules like 'file' => 'required|file|mimes:jpg,png|max:2048' to check presence, type, and size.

intermediate

What is the purpose of the public_path() helper in file uploads?

It returns the path to the public folder, useful when you want to move or save uploaded files where they can be accessed by the browser.

intermediate

How can you generate a unique filename for an uploaded file in Laravel?

Use Str::uuid() or time() combined with the original extension, for example: $filename = time() . '.' . $file->getClientOriginalExtension();

intermediate

What is the difference between store() and storeAs() methods in Laravel file uploads?

store() saves the file with a generated unique name, while storeAs() lets you specify the exact filename to save.

Which Laravel method is used to retrieve an uploaded file from a request?

A $request->file('input_name')

B $request->upload('input_name')

C $request->getFile('input_name')

D $request->inputFile('input_name')

The correct method to get an uploaded file is $request->file('input_name').

How do you validate that an uploaded file is an image and less than 2MB in Laravel?

A 'file' => 'required|mimes:jpg,png,gif|max:2048'

B 'file' => 'required|file|image|max:2048'

C 'file' => 'required|image|max:2048'

D 'file' => 'required|file|mimes:jpg,png|max:2048'

Use file and image rules together with max:2048 to validate image files under 2MB.

What does the store('folder') method do with an uploaded file?

A Saves the file in the specified folder with a unique name

B Returns the file contents as a string

C Deletes the file from the request

D Uploads the file to a remote server

store('folder') saves the file in storage/app/folder with a unique generated filename.

Which helper function returns the path to the public directory in Laravel?

A storage_path()

B base_path()

C public_path()

D app_path()

public_path() returns the full path to the public folder where web-accessible files are stored.

If you want to save an uploaded file with a custom name, which method should you use?

A store()

B saveAs()

C save()

D storeAs()

storeAs() lets you specify the folder and filename to save the uploaded file.

Explain the steps to upload and save a file in Laravel, including validation and storage.

Think about how you handle the file from the form to storage.

Describe how Laravel helps ensure uploaded files are safe and valid before saving.

Focus on validation and storage safety.