src/UploaderManager.php
protected function dynamicFrom($from)
    {
        $provider = Str::snake(substr($from, 4));

        return $this->from($provider);
    }
protected function dynamicFrom($from)
    {
        $provider = Str::snake(substr($from, 4));

        return $this->from($provider);
    }
Handle dynamic "from" method calls.

@param  string  $from
@return \Rymanalu\LaravelSimpleUploader\Contracts\Uploader