first commit

modules/x13allegro/classes/php81/Api/Model/DateTime.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace x13allegro\Api\Model;
+
+use DateTime as PhpDateTime;
+use JsonSerializable;
+
+final class DateTime extends PhpDateTime implements JsonSerializable
+{
+    /**
+     * @return string
+     */
+    public function jsonSerialize()
+    {
+        return $this->format(self::ATOM);
+    }
+}