Added to readme and fixed a linter error

Author: Miniwoffer

README.markdown

@@ -6827,7 +6827,7 @@ This feature was first introduced in the `v0.3.1rc22` release.
 ngx.shared.DICT.get
 -------------------
 
-**syntax:** *value, flags = ngx.shared.DICT:get(key, flags?)*
+**syntax:** *value, flags = ngx.shared.DICT:get(key)*
 
 **context:** *set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, balancer_by_lua*, ssl_certificate_by_lua*, ssl_session_fetch_by_lua*, ssl_session_store_by_lua*, ssl_client_hello_by_lua**
 
@@ -6837,9 +6837,6 @@ In case of errors, `nil` and a string describing the error will be returned.
 
 The value returned will have the original data type when they were inserted into the dictionary, for example, Lua booleans, numbers, or strings.
 
-If flags is not nil, value will only be returned if flags do not match with shm.
-A 3rd return argument will indicate if flags matched.
-
 The first argument to this method must be the dictionary object itself, for example,
 
 ```lua
@@ -6869,11 +6866,11 @@ See also [ngx.shared.DICT](#ngxshareddict).
 ngx.shared.DICT.get_stale
 -------------------------
 
-**syntax:** *value, flags, stale = ngx.shared.DICT:get_stale(key, flags?)*
+**syntax:** *value, flags, stale = ngx.shared.DICT:get_stale(key)*
 
 **context:** *set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, balancer_by_lua*, ssl_certificate_by_lua*, ssl_session_fetch_by_lua*, ssl_session_store_by_lua*, ssl_client_hello_by_lua**
 
-Similar to the [get](#ngxshareddictget) method but returns the value even if the key has already expired, and the `flags_match` will be the 4th return value.
+Similar to the [get](#ngxshareddictget) method but returns the value even if the key has already expired.
 
 Returns a 3rd value, `stale`, indicating whether the key has expired or not.
 

src/ngx_http_lua_shdict.c

@@ -1613,7 +1613,7 @@ ngx_http_lua_ffi_shdict_get(ngx_shm_zone_t *zone, u_char *key,
         return NGX_OK;
     }
 
-    if (*user_flags_neq && *user_flags == (int)sd->user_flags) {
+    if (*user_flags_neq && *user_flags == (int) sd->user_flags) {
         *is_stale = (rc == NGX_DONE);
         *user_flags_neq = 0;
         ngx_shmtx_unlock(&ctx->shpool->mutex);