v1.1

Author: EnzoMC

src/FPNode.php

@@ -11,7 +11,7 @@ class FPNode
     public ?FPNode $parent = null;
     public ?FPNode $link = null;
     /** @var FPNode[] */
-    public array $children;
+    public array $children = [];
 
     /**
      * Create the node.
@@ -69,4 +69,4 @@ public function addChild($value): FPNode
         $this->children[] = $child;
         return $child;
     }
-}
+}