drupal_dirname in core/includes/drupal.inc

Gets the name of the directory from a given path.

FileTokenReplaceTestCase::testFileTokenReplacement in core/modules/file/tests/file.test

Creates a file, then tests the tokens generated from it.

FileUnmanagedCopyTest::testOverwriteSelf in core/modules/simpletest/tests/file.test

Copy a file onto itself.

file_destination in core/includes/file.inc

Determines the destination path for a file.

file_manage_form_submit in core/modules/file/file.pages.inc

Form submission handler for the 'Save' button for file_manage_form().

file_unmanaged_prepare in core/includes/file.inc

Internal function that prepares the destination for a file_unmanaged_copy or file_unmanaged_move operation.

image_style_create_derivative in core/modules/image/image.module

Creates a new image derivative based on an image style.

system_transliteration_retroactive_submit in core/modules/system/system.admin.inc

Form submit function; retroactively transliterates existing file names.