BackdropHtmlToTextTestCase::testBackdropHtmlToTextBlockTagToNewline in modules/simpletest/tests/mail.test

Test that text separated by block-level tags in HTML get separated by (at least) a newline in the plaintext version.

backdrop_ucfirst in includes/unicode.inc

Capitalizes the first letter of a UTF-8 string.

drupal_strtoupper in includes/drupal.inc

Uppercase a UTF-8 string.

image_hex2rgba in includes/image.inc

Converts a hex string to RGBA (red, green, blue, alpha) integer values and tidies up the input hex color string.

UnicodeUnitTest::helperTestStrToUpper in modules/simpletest/tests/unicode.test

views_handler::case_transform in modules/views/includes/handlers.inc

Transform a string by a certain method.