Explicit intish cast in json_decode

Summary: What it says on the tin Reviewed By: huntergoldstein Differential Revision: D13053395 fbshipit-source-id: 58c7acc447f911981af41d0e3654b260517ba420
facebook · Nov 15, 2018 · dc265de5e5109ec7e08c91d761666fe2506cb7a3 · dc265de
1 parent f84da1f
commit dc265de5e5109ec7e08c91d761666fe2506cb7a3
diff --git a/hphp/runtime/ext/json/JSON_parser.cpp b/hphp/runtime/ext/json/JSON_parser.cpp
@@ -901,9 +901,19 @@ static void object_set(Variant &var,
      forceToDict(var).set(key, value);
    } else if (container_type == JSONContainerType::DARRAYS ||
               container_type == JSONContainerType::DARRAYS_AND_VARRAYS) {
-      forceToDArray(var).set(key, value);
+      int64_t i;
+      if (key.get()->isStrictlyInteger(i)) {
+        forceToDArray(var).set(i, value);
+      } else {
+        forceToDArray(var).set(key, value);
+      }
    } else {
-      forceToArray(var).set(key, value);
+      int64_t i;
+      if (key.get()->isStrictlyInteger(i)) {
+        forceToArray(var).set(i, value);
+      } else {
+        forceToArray(var).set(key, value);
+      }
    }
  }
 }
diff --git a/hphp/runtime/ext/json/ext_json.cpp b/hphp/runtime/ext/json/ext_json.cpp
@@ -148,8 +148,6 @@ TypedValue HHVM_FUNCTION(json_encode, const Variant& value,

 TypedValue HHVM_FUNCTION(json_decode, const String& json,
                         bool assoc, int64_t depth, int64_t options) {
-  SuppressHACIntishCastNotices shacn;
-
  json_set_last_error_code(json_error_codes::JSON_ERROR_NONE);

  if (json.empty()) {
diff --git a/hphp/test/slow/dv_array/json-decode.php b/hphp/test/slow/dv_array/json-decode.php
@@ -0,0 +1,6 @@
+<?hh
+
+<<__EntryPoint>>
+function main() {
+  var_dump(json_decode("{\"1\": 1, \"2\": \"2\"}", true, 512, JSON_FB_DARRAYS));
+}
diff --git a/hphp/test/slow/dv_array/json-decode.php.expect b/hphp/test/slow/dv_array/json-decode.php.expect
@@ -0,0 +1,6 @@
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  string(1) "2"
+}
diff --git a/hphp/test/slow/dv_array/json-decode.php.hphp_opts b/hphp/test/slow/dv_array/json-decode.php.hphp_opts
@@ -0,0 +1,2 @@
+-vRuntime.Eval.HackArrCompatNotices=1
+-vRuntime.Eval.HackArrCompatCheckIntishCast=1
diff --git a/hphp/test/slow/dv_array/json-decode.php.opts b/hphp/test/slow/dv_array/json-decode.php.opts
@@ -0,0 +1,2 @@
+-vEval.HackArrCompatNotices=1
+-vEval.HackArrCompatCheckIntishCast=1
diff --git a/hphp/test/slow/dv_array_hack_arr/json-decode.php b/hphp/test/slow/dv_array_hack_arr/json-decode.php
@@ -0,0 +1,6 @@
+<?hh
+
+<<__EntryPoint>>
+function main() {
+  var_dump(json_decode("{\"1\": 1, \"2\": \"2\"}", true, 512, JSON_FB_DARRAYS));
+}
diff --git a/hphp/test/slow/dv_array_hack_arr/json-decode.php.expect b/hphp/test/slow/dv_array_hack_arr/json-decode.php.expect
@@ -0,0 +1,6 @@
+dict(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  string(1) "2"
+}
diff --git a/hphp/test/slow/dv_array_hack_arr/json-decode.php.hphp_opts b/hphp/test/slow/dv_array_hack_arr/json-decode.php.hphp_opts
@@ -0,0 +1,3 @@
+-vRuntime.Eval.HackArrCompatNotices=1
+-vRuntime.Eval.HackArrCompatCheckIntishCast=1
+-vRuntime.Eval.HackArrDVArrs=1
diff --git a/hphp/test/slow/dv_array_hack_arr/json-decode.php.opts b/hphp/test/slow/dv_array_hack_arr/json-decode.php.opts
@@ -0,0 +1,3 @@
+-vEval.HackArrCompatNotices=1
+-vEval.HackArrCompatCheckIntishCast=1
+-vEval.HackArrDVArrs=1