function get_gmt_from_date( $date_string,
$format = 'Y-m-d H:i:s'
) { $datetime =
date_create( $date_string,
wp_timezone() );
if ( false ===
$datetime ) { return gmdate( $format, 0
);
} return $datetime->
setTimezone( new DateTimeZone( 'UTC'
) )->
format( $format );
}/**
* Given a date in UTC or GMT timezone, returns that date in the timezone of the site.
*
* Requires a date in the Y-m-d H:i:s format.
* Default return format of 'Y-m-d H:i:s' can be overridden using the `$format` parameter.
*
* @since 1.2.0
*
* @param string $date_string The date to be converted, in UTC or GMT timezone.
* @param string $format The format string for the returned date. Default 'Y-m-d H:i:s'.
* @return string Formatted version of the date, in the site's timezone.
*/