From 75880fbe2d1f7bc2f00dc08070a5029e93ff0f48 Mon Sep 17 00:00:00 2001
From: Nikita Popov <nikita.ppv@googlemail.com>
Date: Thu, 5 Oct 2017 18:50:48 +0200
Subject: [PATCH] Make code more explicit

---
 lib/PhpParser/PrettyPrinterAbstract.php | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/PhpParser/PrettyPrinterAbstract.php b/lib/PhpParser/PrettyPrinterAbstract.php
index c4735db..7f0a457 100644
--- a/lib/PhpParser/PrettyPrinterAbstract.php
+++ b/lib/PhpParser/PrettyPrinterAbstract.php
@@ -653,13 +653,14 @@ abstract class PrettyPrinterAbstract
         for ($i = 0; $i < $len; $i++) {
             $arrItem = $nodes[$i];
             $origArrItem = $origNodes[$i];
-            if ($arrItem === $origArrItem) {
-                // Unchanged, can reuse old code
-                continue;
-            }
 
+            // We can only handle arrays of nodes meaningfully
             if (!$arrItem instanceof Node || !$origArrItem instanceof Node) {
-                // We can only handle arrays of nodes meaningfully
+                // Destructing can also contain null elements. If they occur symmetrically, this is
+                // fine as well
+                if ($arrItem === null && $origArrItem === null) {
+                    continue;
+                }
                 return null;
             }