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<?php |
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namespace X509\Feature; |
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/** |
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* Helper trait for classes employing date and time handling. |
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*/ |
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trait DateTimeHelper |
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{ |
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/** |
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* Create DateTime object from time string and timezone. |
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* |
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* @param string|null $time Time string, default to 'now' |
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* @param string|null $tz Timezone, default if omitted |
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* @throws \RuntimeException |
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* @return \DateTimeImmutable |
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*/ |
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private static function _createDateTime($time = null, $tz = null): \DateTimeImmutable |
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{ |
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try { |
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if (!isset($tz)) { |
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$tz = date_default_timezone_get(); |
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} |
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$dt = new \DateTimeImmutable($time, self::_createTimeZone($tz)); |
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return self::_roundDownFractionalSeconds($dt); |
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} catch (\Exception $e) { |
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throw new \RuntimeException( |
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"Failed to create DateTime: " . |
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self::_getLastDateTimeImmutableErrorsStr(), 0, $e); |
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} |
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} |
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/** |
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* Rounds a \DateTimeImmutable value such that fractional |
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* seconds are removed. |
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* |
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* @param \DateTimeImmutable $dt |
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* @return \DateTimeImmutable |
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*/ |
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private static function _roundDownFractionalSeconds(\DateTimeImmutable $dt): \DateTimeImmutable |
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{ |
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return \DateTimeImmutable::createFromFormat("Y-m-d H:i:s", |
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$dt->format("Y-m-d H:i:s"), $dt->getTimezone()); |
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} |
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/** |
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* Create DateTimeZone object from string. |
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* |
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* @param string $tz |
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* @throws \UnexpectedValueException |
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* @return \DateTimeZone |
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*/ |
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private static function _createTimeZone($tz) |
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{ |
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try { |
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return new \DateTimeZone($tz); |
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} catch (\Exception $e) { |
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throw new \UnexpectedValueException("Invalid timezone.", 0, $e); |
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} |
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} |
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/** |
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* Get last error caused by DateTimeImmutable. |
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* |
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* @return string |
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*/ |
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private static function _getLastDateTimeImmutableErrorsStr() |
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{ |
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$errors = \DateTimeImmutable::getLastErrors()["errors"]; |
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return implode(", ", $errors); |
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} |
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} |
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sop /
x509
