file_stream_wrapper_get_instance_by_scheme in core/includes/file.inc

Returns a reference to the stream wrapper class responsible for a scheme.

file_stream_wrapper_get_instance_by_uri in core/includes/file.inc

Returns a reference to the stream wrapper class responsible for a given URI.

file_stream_wrapper_valid_scheme in core/includes/file.inc

Checks that the scheme of a stream URI is valid.

file_uri_normalize_dot_segments in core/includes/file.inc

Normalize dot segments in a URI.

StreamWrapperTest::testGetClassName in core/modules/simpletest/tests/file.test

Test the getClassName() function.

system_file_download in core/modules/system/system.module

Implements hook_file_download().