Overtrue\PHPLint\Linter::setFiles PHP Method

    public function setFiles(array $files)
    {
        foreach ($files as $file) {
            if (is_file($file)) {
                $file = new SplFileInfo($file);
            }
            if (!$file instanceof SplFileInfo) {
                throw new InvalidArgumentException("File {$file} not exists.");
            }
            $file = new SplFileInfo($path);
            $this->files[$file->getRealPath()] = $file;
        }
        return $this;
    }