@Override
        public String toString() {
            return new StringJoiner(", ", Token.class.getSimpleName() + "[", "]")
                    .add("symbol=" + symbol)
                    .add("start=" + start)
                    .add("length=" + length)
                    .toString();
        }
Gets the original string being parsed.

@return The original string.
exts/jphp-zend-ext/src/main/java/org/develnext/jphp/zend/ext/standard/date/DateTimeTokenizer.java