Excludes "hidden" directories and files (starting with a dot).
This option is enabled by default.
$this
ExcludeDirectoryFilterIterator
public function ignoreDotFiles(bool $ignoreDotFiles) : static { if ($ignoreDotFiles) { $this->ignore |= static::IGNORE_DOT_FILES; } else { $this->ignore &= ~static::IGNORE_DOT_FILES; } return $this; }