/** * Implements what IntlDateFormatter::formatObject() is in PHP 5.5+ * * @param \IntlCalendar|\DateTime $object * @param string|int|array|null $format * @param string|null $locale * @return string * @throws LocalizedException */ protected function doFormatObject($object, $format = null, $locale = null) { $pattern = $dateFormat = $timeFormat = $calendar = null; if (is_array($format)) { list($dateFormat, $timeFormat) = $format; } elseif (is_numeric($format)) { $dateFormat = $format; } elseif (is_string($format) || null == $format) { $dateFormat = $timeFormat = \IntlDateFormatter::MEDIUM; $pattern = $format; } else { throw new LocalizedException(new Phrase('Format type is invalid')); } $timezone = $object->getTimezone(); if ($object instanceof \IntlCalendar) { $timezone = $timezone->toDateTimeZone(); } $timezone = $timezone->getName(); if ($timezone === '+00:00') { $timezone = 'UTC'; } elseif ($timezone[0] === '+' || $timezone[0] === '-') { // $timezone[0] is first symbol of string $timezone = 'GMT' . $timezone; } return (new \IntlDateFormatter($locale, $dateFormat, $timeFormat, $timezone, $calendar, $pattern))->format($object); }