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* @package WPSEO\Internals
* Class WPSEO_Date_Helper
* Note: Move this class with namespace to the src/helpers directory and add a class_alias for BC.
class WPSEO_Date_Helper {
* Formats a given date in UTC TimeZone format.
* @param string $date String representing the date / time.
* @param string $format The format that the passed date should be in.
* @return string The formatted date.
public function format( $date, $format = DATE_W3C ) {
return YoastSEO()->helpers->date->format( $date, $format );
* Formats the given timestamp to the needed format.
* @param int $timestamp The timestamp to use for the formatting.
* @param string $format The format that the passed date should be in.
* @return string The formatted date.
public function format_timestamp( $timestamp, $format = DATE_W3C ) {
return YoastSEO()->helpers->date->format_timestamp( $timestamp, $format );
* Formats a given date in UTC TimeZone format and translate it to the set language.
* @param string $date String representing the date / time.
* @param string $format The format that the passed date should be in.
* @return string The formatted and translated date.
public function format_translated( $date, $format = DATE_W3C ) {
return YoastSEO()->helpers->date->format_translated( $date, $format );
* Check if a string is a valid datetime.
* @param string $datetime String input to check as valid input for DateTime class.
* @return bool True when datatime is valid.
public function is_valid_datetime( $datetime ) {
return YoastSEO()->helpers->date->is_valid_datetime( $datetime );