public function file($name = null)
	{
		return !$name ? $this->files : ($this->files[$name] ?? null);
	}
public function file($name = null)
	{
		return !$name ? $this->files : ($this->files[$name] ?? null);
	}
Return request input files

@param string $name file name or null to return whole inputs array

@return array|mixed