From 071558ec83c4764f3727d7909fade7d8bf3eb93e Mon Sep 17 00:00:00 2001
From: Matthew Brown <github@muglug.com>
Date: Fri, 11 May 2018 23:21:53 -0400
Subject: [PATCH] Fix #733 - DomNodeList implements ArrayAccess

---
 src/Psalm/Codebase/ClassLikes.php | 4 ++++
 tests/ArrayAccessTest.php         | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/src/Psalm/Codebase/ClassLikes.php b/src/Psalm/Codebase/ClassLikes.php
index 573530496..da2d710a0 100644
--- a/src/Psalm/Codebase/ClassLikes.php
+++ b/src/Psalm/Codebase/ClassLikes.php
@@ -454,6 +454,10 @@ class ClassLikes
             return true;
         }
 
+        if ($interface_id === 'arrayaccess' && $fq_class_name === 'domnodelist') {
+            return true;
+        }
+
         if (isset(ClassLikeChecker::$SPECIAL_TYPES[$interface_id])
             || isset(ClassLikeChecker::$SPECIAL_TYPES[$fq_class_name])
         ) {
diff --git a/tests/ArrayAccessTest.php b/tests/ArrayAccessTest.php
index 8e4fb2abe..fdbaaff50 100644
--- a/tests/ArrayAccessTest.php
+++ b/tests/ArrayAccessTest.php
@@ -135,6 +135,12 @@ class ArrayAccessTest extends TestCase
                     $x[] = 5;
                     takesInt($x[0]);',
             ],
+            'domNodeListAccessible' => [
+                '<?php
+                    $doc = new DOMDocument();
+                    $doc->loadXML("<node key=\"value\"/>");
+                    $doc->getElementsByTagName("node")[0];'
+            ],
         ];
     }