How to delete a backup

[zilzilonline]

I scheduled to backup every midnight. I would like to keep only 3 latest backups in my dropbox. So how can i delete old copies?

[robbielove]

//write some code to check that more than 3 backups exist
if (Storage::delete($path)) {
echo "deleted";
}

https://laravel.com/docs/8.x/filesystem#retrieving-files
https://laravel.com/docs/8.x/filesystem#directories