From bfae4af0300418bb805feda029b4d997db7131fc Mon Sep 17 00:00:00 2001
From: Teemu Koskinen <teemu.koskinen@creaction.fi>
Date: Wed, 17 Jun 2020 16:29:23 +0300
Subject: [PATCH] tidyNode->child will be null if the node does not have any
 children (#3599)

https://github.com/php/php-src/blob/master/ext/tidy/tidy.c#L696
---
 src/Psalm/Internal/PropertyMap.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Psalm/Internal/PropertyMap.php b/src/Psalm/Internal/PropertyMap.php
index 687b555587e..348df7daf0f 100644
--- a/src/Psalm/Internal/PropertyMap.php
+++ b/src/Psalm/Internal/PropertyMap.php
@@ -326,7 +326,7 @@
         'proprietary' => 'bool',
         'id' => 'int',
         'attribute' => 'array',
-        'child' => 'array',
+        'child' => '?array',
     ],
     'recursivecachingiterator' => [
         'name' => 'string',