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<?php
/**
* WC Wrapper for PHP DateTime which adds support for gmt/utc offset when a
* timezone is absent
*
* @since 3.0.0
* @package WooCommerce\Classes
*/
defined( 'ABSPATH' ) || exit;
/**
* Datetime class.
*/
class WC_DateTime extends DateTime {
/**
* UTC Offset, if needed. Only used when a timezone is not set. When
* timezones are used this will equal 0.
*
* @var integer
*/
protected $utc_offset = 0;
/**
* Output an ISO 8601 date string in local (WordPress) timezone.
*
* @since 3.0.0
* @return string
*/
public function __toString() {
return $this->format( DATE_ATOM );
}
/**
* Set UTC offset - this is a fixed offset instead of a timezone.
*
* @param int $offset Offset.
*/
public function set_utc_offset( $offset ) {
$this->utc_offset = intval( $offset );
}
/**
* Get UTC offset if set, or default to the DateTime object's offset.
*/
#[\ReturnTypeWillChange]
public function getOffset() {
return $this->utc_offset ?: parent::getOffset();
}
/**
* Set timezone.
*
* @param DateTimeZone $timezone DateTimeZone instance.
* @return DateTime
*/
#[\ReturnTypeWillChange]
public function setTimezone( $timezone ) {
$this->utc_offset = 0;
return parent::setTimezone( $timezone );
}
/**
* Missing in PHP 5.2 so just here so it can be supported consistently.
*
* @since 3.0.0
* @return int
*/
#[\ReturnTypeWillChange]
public function getTimestamp() {
return method_exists( 'DateTime', 'getTimestamp' ) ? parent::getTimestamp() : $this->format( 'U' );
}
/**
* Get the timestamp with the WordPress timezone offset added or subtracted.
*
* @since 3.0.0
* @return int
*/
public function getOffsetTimestamp() {
return $this->getTimestamp() + $this->getOffset();
}
/**
* Format a date based on the offset timestamp.
*
* @since 3.0.0
* @param string $format Date format.
* @return string
*/
public function date( $format ) {
return gmdate( $format, $this->getOffsetTimestamp() );
}
/**
* Return a localised date based on offset timestamp. Wrapper for date_i18n function.
*
* @since 3.0.0
* @param string $format Date format.
* @return string
*/
public function date_i18n( $format = 'Y-m-d' ) {
return date_i18n( $format, $this->getOffsetTimestamp() );
}
}
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