class HourTransformer extends

string format(DateTime $dateTime, int $length)

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

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

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

class AmPmTransformer extends

int parse(DateTime $dateTime, string $value)

string getTimeType() Returns the formatter's time type.

bool isQuoteMatch(string $quoteMatch) Check if the first char of a string is a single quote.

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