https://www.php.net/manual/de/intldateformatter.setpattern.php
PHP: IntlDateFormatter::setPattern - Manual
Set the pattern used for the IntlDateFormatter
phpmanual
https://www.php.net/manual/uk/intldateformatter.setpattern.php
PHP: IntlDateFormatter::setPattern - Manual
Set the pattern used for the IntlDateFormatter
phpmanual
https://www.php.net/manual/pt_BR/messageformatter.setpattern.php
PHP: MessageFormatter::setPattern - Manual
Define o modelo usado pelo formatador
phpmanual