(PHP 5 >= 5.3.0, PHP 7, PHP 8)
Itera através de um sistema de arquivos de forma semelhante ao glob().
$pattern, int $flags = FilesystemIterator::KEY_AS_PATHNAME | FilesystemIterator::CURRENT_AS_FILEINFO)$mode = "r", bool $useIncludePath = false, ?resource $context = null): SplFileObject