cctl = convert_to_type_ex(IS_STRING, GET_STATIC_PROP(cacheControl), &cctl_p);
http_cache_etag(Z_STRVAL_P(etag), Z_STRLEN_P(etag), Z_STRVAL_P(cctl), Z_STRLEN_P(cctl));
cctl = convert_to_type_ex(IS_STRING, GET_STATIC_PROP(cacheControl), &cctl_p);
http_cache_etag(Z_STRVAL_P(etag), Z_STRLEN_P(etag), Z_STRVAL_P(cctl), Z_STRLEN_P(cctl));