1. $request->hasFile('photo'); (To check the request key is a valid file)

2. movie.mp4 / images.jpg / .png / .gif / document.doc / sheets.xls / datasheet.csv $extension = $request->photo->extension();

3. $name = 'my-image.'.$extension;

4. $request->image->storeAs( '', // Folder $name, // Name 'public' // public );

5. Use this in form where we upload image (enctype="multipart/form-data")

To install bootstrap with user authentication template php artisan ui bootstrap --auth