In between commit implementing reciever

application/src/Entity/Attribut/MembersAttribut.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Entity\Attribut;
+
+use Doctrine\Common\Collections\Collection;
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ * @author kevinfrantz
+ */
+trait MembersAttribut
+{
+    /**
+     * @var Collection
+     */
+    protected $members;
+
+    public function getMembers(): Collection
+    {
+        return $this->members;
+    }
+
+    public function setMembers(Collection $members): void
+    {
+        $this->members = $members;
+    }
+
+    /**
+     * @param int        $dimension The dimensions start with 1 for the members of the actuall dimension and NULL for all members
+     * @param Collection $members   A reference to a members list, to which new members should be add
+     *
+     * @return Collection|MembersAttributInterface[] Returns all members till the defined dimension
+     */
+    public function getMembersInclusiveChildren(int $dimension = null, Collection &$members = null): Collection
+    {
+        // Subtract minus one, so that following members start on a other dimension:
+        --$dimension;
+
+        //Define members if no members are passed
+        if (!$members) {
+            $members = new ArrayCollection();
+        }
+        foreach ($this->members as $member) {
+            if (!$members->contains($member)) {
+                $members->add($member);
+                if ($dimension > 0 || null === $dimension) {
+                    $member->getMembersInclusiveChildren($dimension, $members);
+                }
+            }
+        }
+
+        return $members;
+    }
+}