backdrop_chmod in core/includes/
Sets the permissions on a file or directory.
backdrop_realpath in core/includes/
Resolves the absolute filepath of a local URI or filepath.
file_create_url in core/includes/
Creates a web-accessible URL for a stream to an external or local file.
file_get_mimetype in core/includes/
Determines an Internet Media Type or MIME type from a filename.
file_manage_form in core/modules/file/
Page callback: Form constructor for the file manage form.
image_style_url in core/modules/image/image.module
Return the URL for an image derivative given a style and image path.
StreamWrapperTest::testUriFunctions in core/modules/simpletest/tests/file.test
Test the URI and target functions.
system_transliteration_retroactive_submit in core/modules/system/
Form submit function; retroactively transliterates existing file names.