From 6572edf59150ed6445d3b6481c1870a5d7c51dfc Mon Sep 17 00:00:00 2001
From: Javier Eguiluz <javier.eguiluz@gmail.com>
Date: Fri, 16 Jul 2021 15:30:15 +0200
Subject: [PATCH] Optimized some strlen() calls when possible

---
 Definition/ArrayNode.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Definition/ArrayNode.php b/Definition/ArrayNode.php
index c3c837a41..c6793a2b7 100644
--- a/Definition/ArrayNode.php
+++ b/Definition/ArrayNode.php
@@ -192,7 +192,7 @@ public function getDefaultValue()
     public function addChild(NodeInterface $node)
     {
         $name = $node->getName();
-        if (!\strlen($name)) {
+        if ('' === $name) {
             throw new \InvalidArgumentException('Child nodes must be named.');
         }
         if (isset($this->children[$name])) {