From e1f77901361f287c5b7d99b80c9ea8d3afe7d2cd Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Tue, 1 Nov 2022 22:49:27 +0100
Subject: [PATCH] Use ??= more

---
 Node/ArrayNode.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Node/ArrayNode.php b/Node/ArrayNode.php
index a8d68f9..e1a3169 100644
--- a/Node/ArrayNode.php
+++ b/Node/ArrayNode.php
@@ -29,9 +29,7 @@ public function __construct()
 
     public function addElement(Node $value, Node $key = null)
     {
-        if (null === $key) {
-            $key = new ConstantNode(++$this->index);
-        }
+        $key ??= new ConstantNode(++$this->index);
 
         array_push($this->nodes, $key, $value);
     }