ConfigDatabaseStorage::exportArchive in core/includes/config.inc

Export an archive of configuration files from the config storage managed by this object.

ConfigDatabaseStorage::importArchive in core/includes/config.inc

Import an archive of configuration files into the config storage managed by this object.

config_download_full_export in core/modules/config/config.admin.inc

Downloads a tarball of the site configuration.

FileDirectoryTest::testFileCreateNewFilepath in core/modules/simpletest/tests/file.test

This will take a directory and path, and find a valid filepath that is not taken by another file.

FileDownloadTest::checkUrl in core/modules/simpletest/tests/file.test

Download a file from the URL generated by file_create_url().

file_destination in core/includes/file.inc

Determines the destination path for a file.