/**
* Parse string to a timestamp value
*
* @param string $value String to convert to a time value
* @param int $position Position at which to start the parsing in $value (zero-based).
* If no error occurs before $value is consumed, $parse_pos will
* contain -1 otherwise it will contain the position at which parsing
* ended. If $parse_pos > strlen($value), the parse fails immediately.
*
* @return string Parsed value as a timestamp
*
* @see http://www.php.net/manual/en/intldateformatter.parse.php
*
* @throws MethodArgumentNotImplementedException When $position different than null, behavior not implemented
*/
public function parse($value, &$position = null)
{
// We don't calculate the position when parsing the value
if (null !== $position) {
throw new MethodArgumentNotImplementedException(__METHOD__, 'position');
}
StubIntl::setErrorCode(StubIntl::U_ZERO_ERROR);
$dateTime = $this->createDateTime(0);
$transformer = new FullTransformer($this->getPattern(), $this->getTimeZoneId());
return $transformer->parse($dateTime, $value);
}
/**
* Calculates the Unix timestamp based on the matched values by the reverse matching regular
* expression of parse()
*
* @param DateTime $dateTime The DateTime object to be used to calculate the timestamp
* @param array $options An array with the matched values to be used to calculate the timestamp
* @return Boolean|int The calculated timestamp or false if matched date is invalid
*/
protected function calculateUnixTimestamp(\DateTime $dateTime, array $options)
{
$options = $this->getDefaultValueForOptions($options);
$year = $options['year'];
$month = $options['month'];
$day = $options['day'];
$hour = $options['hour'];
$hourInstance = $options['hourInstance'];
$minute = $options['minute'];
$second = $options['second'];
$marker = $options['marker'];
$timezone = $options['timezone'];
// If month is false, return immediately (intl behavior)
if (false === $month) {
StubIntl::setErrorCode(StubIntl::U_PARSE_ERROR);
return false;
}
// Normalize hour
if ($hourInstance instanceof HourTransformer) {
$hour = $hourInstance->normalizeHour($hour, $marker);
}
// Set the timezone if different from the default one
if (null !== $timezone && $timezone !== $this->timezone) {
$dateTime->setTimezone(new \DateTimeZone($timezone));
}
// Normalize yy year
preg_match_all($this->regExp, $this->pattern, $matches);
if (in_array('yy', $matches[0])) {
$dateTime->setTimestamp(time());
$year = $year > $dateTime->format('y') + 20 ? 1900 + $year : 2000 + $year;
}
$dateTime->setDate($year, $month, $day);
$dateTime->setTime($hour, $minute, $second);
return $dateTime->getTimestamp();
}
