Something

$listeURLS= array('vignettes/' , 'media/' , 'vignobles/' ,'images/','bandeaux-annonceurs/', 'accommodation-banon/','accommodation-villelaure/', 'accommodation-lacoste/', 'accommodation-gordes/' ,'accommodation-apt/', 'accommodation-saignon/', 'accommodation-cucuron/','parc-regional-du-luberon/' ,'estellan/','pole-immobilier-luberon/','lestroissources/','lubescope/','grande-bartheliere/')

$requested_url=substr($_SERVER['REQUEST_URI'],1);

if (in_array($requested_url, $listeURLS)) {
 header("Location: http://back.luberon-news.com" . $_SERVER['REQUEST_URI']);
 ob_clean();
 exit();
}