feat: commit vendor folder directly to bypass air-gapped build restrictions

vendor/opis/closure/functions.php

@@ -0,0 +1,41 @@
+<?php
+/* ===========================================================================
+ * Copyright (c) 2018-2021 Zindex Software
+ *
+ * Licensed under the MIT License
+ * =========================================================================== */
+
+namespace Opis\Closure;
+
+/**
+ * Serialize
+ *
+ * @param mixed $data
+ * @return string
+ */
+function serialize($data)
+{
+    SerializableClosure::enterContext();
+    SerializableClosure::wrapClosures($data);
+    $data = \serialize($data);
+    SerializableClosure::exitContext();
+    return $data;
+}
+
+/**
+ * Unserialize
+ *
+ * @param string $data
+ * @param array|null $options
+ * @return mixed
+ */
+function unserialize($data, array $options = null)
+{
+    SerializableClosure::enterContext();
+    $data = ($options === null || \PHP_MAJOR_VERSION < 7)
+        ? \unserialize($data)
+        : \unserialize($data, $options);
+    SerializableClosure::unwrapClosures($data);
+    SerializableClosure::exitContext();
+    return $data;
+}