// Request for the "long" thumbnail name; redirect to canonical name
$response = RequestContext::getMain()->getRequest()->response();
$response->header( "HTTP/1.1 301 " . HttpStatus::getMessage( 301 ) );
$response->header( 'Location: ' .
wfExpandUrl( $img->getThumbUrl( $thumbName ), PROTO_CURRENT ) );
$response->header( 'Expires: ' .
// Request for the "long" thumbnail name; redirect to canonical name
$response = RequestContext::getMain()->getRequest()->response();
$response->header( "HTTP/1.1 301 " . HttpStatus::getMessage( 301 ) );
$response->header( 'Location: ' .
wfExpandUrl( $img->getThumbUrl( $thumbName ), PROTO_CURRENT ) );
$response->header( 'Expires: ' .