Generate stubs for WordPress 4.7.23

Author: szepeviktor

source/composer.json

@@ -7,7 +7,7 @@
         "ext-mbstring": "*",
         "ext-openssl": "*",
         "ext-sodium": "*",
-        "johnpbloch/wordpress": "5.9.1"
+        "johnpbloch/wordpress": "4.7.23"
     },
     "minimum-stability": "stable",
     "config": {

visitor.php

@@ -109,14 +109,18 @@ private function addArrayHashNotation(Doc $docComment): ?Doc
         $additions = [];
 
         foreach ($params as $param) {
+            if (! $param instanceof Param) {
+                continue;
+            }
+
             $addition = $this->getAdditionFromParam($param);
 
             if ($addition !== null) {
                 $additions[] = $addition;
             }
         }
 
-        if ($returns) {
+        if ($returns !== [] && $returns[0] instanceof Return_) {
             $addition = $this->getAdditionFromReturn($returns[0]);
 
             if ($addition !== null) {