* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace FG\ASN1; use DateInterval; use DateTime; use DateTimeZone; use Exception; abstract class AbstractTime extends ASNObject { /** @var DateTime */ protected $value; public function __construct($dateTime = null, $dateTimeZone = 'UTC') { if ($dateTime == null || is_string($dateTime)) { $timeZone = new DateTimeZone($dateTimeZone); $dateTimeObject = new DateTime($dateTime, $timeZone); if ($dateTimeObject == false) { $errorMessage = $this->getLastDateTimeErrors(); $className = Identifier::getName($this->getType()); throw new Exception(sprintf("Could not create %s from date time string '%s': %s", $className, $dateTime, $errorMessage)); } $dateTime = $dateTimeObject; } elseif (!$dateTime instanceof DateTime) { throw new Exception('Invalid first argument for some instance of AbstractTime constructor'); } $this->value = $dateTime; } public function getContent() { return $this->value; } protected function getLastDateTimeErrors() { $messages = ''; $lastErrors = DateTime::getLastErrors(); foreach ($lastErrors['errors'] as $errorMessage) { $messages .= "{$errorMessage}, "; } return substr($messages, 0, -2); } public function __toString() { return $this->value->format("Y-m-d\tH:i:s"); } protected static function extractTimeZoneData(&$binaryData, &$offsetIndex, DateTime $dateTime) { $sign = $binaryData[$offsetIndex++]; $timeOffsetHours = intval(substr($binaryData, $offsetIndex, 2)); $timeOffsetMinutes = intval(substr($binaryData, $offsetIndex + 2, 2)); $offsetIndex += 4; $interval = new DateInterval("PT{$timeOffsetHours}H{$timeOffsetMinutes}M"); if ($sign == '+') { $dateTime->sub($interval); } else { $dateTime->add($interval); } return $dateTime; } }