fix: Adjust payload format for PHP endpoints (#467)

Author: keelerm84

internal/dev_server/sdk/get_server_flags.go

@@ -22,7 +22,7 @@ func GetServerFlags(w http.ResponseWriter, r *http.Request) {
 			http.Error(w, "flag not found", http.StatusNotFound)
 		}
 	} else {
-		body = ServerAllPayloadFromFlagsState(allFlags)
+		body = ServerFlagsFromFlagsState(allFlags)
 	}
 	jsonBody, err := json.Marshal(body)
 	if err != nil {

internal/dev_server/sdk/routes.go

@@ -21,6 +21,9 @@ func BindRoutes(router *mux.Router) {
 
 	router.Handle("/all", GetProjectKeyFromAuthorizationHeader(http.HandlerFunc(StreamServerAllPayload)))
 
+	router.PathPrefix("/sdk/flags/{flagKey}").
+		Methods(http.MethodGet).
+		Handler(GetProjectKeyFromAuthorizationHeader(http.HandlerFunc(GetServerFlags)))
 	router.PathPrefix("/sdk/flags").
 		Methods(http.MethodGet).
 		Handler(GetProjectKeyFromAuthorizationHeader(http.HandlerFunc(GetServerFlags)))