upgraded dependencies

vendor/vlucas/phpdotenv/src/Repository/Adapter/PutenvAdapter.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Dotenv\Repository\Adapter;
+
+use PhpOption\Option;
+
+class PutenvAdapter implements AvailabilityInterface, ReaderInterface, WriterInterface
+{
+    /**
+     * Determines if the adapter is supported.
+     *
+     * @return bool
+     */
+    public function isSupported()
+    {
+        return function_exists('getenv') && function_exists('putenv');
+    }
+
+    /**
+     * Get an environment variable, if it exists.
+     *
+     * @param non-empty-string $name
+     *
+     * @return \PhpOption\Option<string|null>
+     */
+    public function get($name)
+    {
+        /** @var \PhpOption\Option<string|null> */
+        return Option::fromValue(getenv($name), false);
+    }
+
+    /**
+     * Set an environment variable.
+     *
+     * @param non-empty-string $name
+     * @param string|null      $value
+     *
+     * @return void
+     */
+    public function set($name, $value = null)
+    {
+        putenv("$name=$value");
+    }
+
+    /**
+     * Clear an environment variable.
+     *
+     * @param non-empty-string $name
+     *
+     * @return void
+     */
+    public function clear($name)
+    {
+        putenv($name);
+    }
+}