10 ini_set('http.etag_mode', HTTP_ETAG_MHASH_WHIRLPOOL);
17 Cache-Control: private, must-revalidate, max-age=0
18 ETag: "53efa9e423f86dabd449b3e23dd0350def661b9e7055b23ceb2230c8b61bc0766514957ea9d349a88ef794715a1a17a409b549edfd6f43d696e63407fff3541c"