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<?php
namespace Laminas\Http\Header;
use function date;
use const DATE_W3C;
/**
* Expires Header
*
* @link http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.21
*/
class Expires extends AbstractDate
{
/**
* Get header name
*
* @return string
*/
public function getFieldName()
{
return 'Expires';
}
/**
* @param int|string|DateTime $date
* @return static
*/
public function setDate($date)
{
if ($date === '0' || $date === 0) {
$date = date(DATE_W3C, 0); // Thu, 01 Jan 1970 00:00:00 GMT
}
return parent::setDate($date);
}
}