Reference Number Entity added

Author: rgodiyal

src/Entity/ReferenceNumber.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace RahulGodiyal\PhpUpsApiWrapper\Entity;
+
+class ReferenceNumber
+{
+    private string $code = "";
+    private string $value = "";
+
+    public function exists()
+    {
+        if (!empty($this->value)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    public function setCode(string $code): self
+    {
+        $this->code = $code;
+        return $this;
+    }
+
+    public function getCode(): string
+    {
+        return $this->code;
+    }
+
+    public function setValue(string $value): self
+    {
+        $this->value = $value;
+        return $this;
+    }
+
+    public function getValue(): string
+    {
+        return $this->value;
+    }
+
+    public function toArray(): array
+    {
+        $referenceNumber = [
+            "Value" => $this->value
+        ];
+
+        if ($this->code) {
+            $referenceNumber["Code"] = $this->code;
+        }
+
+        return $referenceNumber;
+    }
+}