Nette\Utils\Finder::date PHP Метод

    public function date($operator, $date = NULL)
    {
        if (func_num_args() === 1) {
            // in $operator is predicate
            if (!preg_match('#^(?:([=<>!]=?|<>)\\s*)?(.+)\\z#i', $operator, $matches)) {
                throw new Nette\InvalidArgumentException('Invalid date predicate format.');
            }
            list(, $operator, $date) = $matches;
            $operator = $operator ? $operator : '=';
        }
        $date = DateTime::from($date)->format('U');
        return $this->filter(function (RecursiveDirectoryIterator $file) use($operator, $date) {
            return self::compare($file->getMTime(), $operator, $date);
        });
    }