<?php
-
/**
- * @file src/Util/DateTimeFormat.php
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
namespace Friendica\Util;
use Exception;
/**
- * @brief Temporal class
+ * Temporal class
*/
class DateTimeFormat
{
- const ATOM = 'Y-m-d\TH:i:s\Z';
+ const ATOM = 'Y-m-d\TH:i:s\Z';
const MYSQL = 'Y-m-d H:i:s';
- const HTTP = 'D, d M Y H:i:s \G\M\T';
+ const HTTP = 'D, d M Y H:i:s \G\M\T';
+ const JSON = 'Y-m-d\TH:i:s.v\Z';
+ const API = 'D M d H:i:s +0000 Y';
+
+ static $localTimezone = 'UTC';
+
+ public static function setLocalTimeZone(string $timezone)
+ {
+ self::$localTimezone = $timezone;
+ }
/**
* convert() shorthand for UTC.
* @return string
* @throws Exception
*/
- public static function utc($time, $format = self::MYSQL)
+ public static function utc(string $time, string $format = self::MYSQL): string
{
return self::convert($time, 'UTC', 'UTC', $format);
}
*/
public static function local($time, $format = self::MYSQL)
{
- return self::convert($time, date_default_timezone_get(), 'UTC', $format);
+ return self::convert($time, self::$localTimezone, 'UTC', $format);
}
/**
* @return string
* @throws Exception
*/
- public static function utcNow($format = self::MYSQL)
+ public static function utcNow(string $format = self::MYSQL): string
{
return self::utc('now', $format);
}
/**
- * @brief General purpose date parse/convert/format function.
+ * General purpose date parse/convert/format function.
*
* @param string $s Some parseable date/time string
* @param string $tz_to Destination timezone
try {
$d = new DateTime($s, $from_obj);
} catch (Exception $e) {
- Logger::log('DateTimeFormat::convert: exception: ' . $e->getMessage());
+ Logger::notice('DateTimeFormat::convert: exception: ' . $e->getMessage());
$d = new DateTime('now', $from_obj);
}
$to_obj = new DateTimeZone('UTC');
}
- $d->setTimeZone($to_obj);
+ $d->setTimezone($to_obj);
return $d->format($format);
}
return true;
}
+
+ /**
+ * Checks, if the given string is a date with the pattern YYYY-MM-DD
+ *
+ * @param string $dateString The given date
+ *
+ * @return boolean True, if the date is a valid pattern
+ */
+ public function isYearMonthDay(string $dateString)
+ {
+ $date = DateTime::createFromFormat('Y-m-d', $dateString);
+ if (!$date) {
+ return false;
+ }
+
+ if (DateTime::getLastErrors()['error_count'] || DateTime::getLastErrors()['warning_count']) {
+ return false;
+ }
+
+ return true;
+ }
}