ob_etaghandler

(PECL pecl_http >= 0.10.0)

ob_etaghandler — ETag output handler

string ob_etaghandler ( string $data , int $mode )

ob_start()와 사용합니다.

Output buffer handler generating an ETag with the hash algorithm specified with the INI 설정 http.etag.mode.

This output handler is used by http_cache_etag().