int parse(DateTime $dateTime, string $value)

string getReverseMatchingRegExp(int $length) Returns a reverse matching regular expression of

class Hour1200Transformer extends

class HourTransformer extends

int getCalendar() Returns the formatter's calendar.

string format(DateTime $dateTime, int $length)

class TimeZoneTransformer extends

abstract string format(DateTime $dateTime, int $length)

int getDateType() Returns the formatter's datetype.

array extractDateOptions(string $matched, int $length) Extract date options from a matched value