FilesystemIterator::key Retrieve the file name &reftitle.description; stringFilesystemIterator::key &warn.undocumented.func; &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns the Pathname or Filename depending on the set flags. &reftitle.seealso; DirectoryIterator::key DirectoryIterator::getFilename DirectoryIterator::getPathname