--TEST-- Test trim() function : basic functionality --FILE-- ===DONE=== --EXPECT-- *** Testing trim() : basic functionality *** -- Trim string with all white space characters -- string(27) "---These are a few words---" -- Trim non-whitespace from a string -- string(11) "Hello World" -- Trim some non-white space characters from a string -- string(19) "!===Hello World===!" -- Trim the ASCII control characters at the beginning of a string -- string(14) "Example string" ===DONE===