public function get_existing_paths()
{
if (false === ($default = glob(WP_CONTENT_DIR . '/backupwordpress-*-backups', GLOB_ONLYDIR))) {
$default = array();
}
$upload_dir = wp_upload_dir();
if (false === ($fallback = glob($upload_dir['basedir'] . '/backupwordpress-*-backups', GLOB_ONLYDIR))) {
$fallback = array();
}
$paths = array_merge($default, $fallback);
$paths = array_map('wp_normalize_path', $paths);
return $paths;
}