upgrade to laravel 8.x

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

@@ -1,60 +1,87 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Dotenv\Repository\Adapter;
 
-use PhpOption\None;
+use PhpOption\Option;
 use PhpOption\Some;
 
-class EnvConstAdapter implements AvailabilityInterface, ReaderInterface, WriterInterface
+final class EnvConstAdapter implements AdapterInterface
 {
     /**
-     * Determines if the adapter is supported.
+     * Create a new env const adapter instance.
+     *
+     * @return void
+     */
+    private function __construct()
+    {
+        //
+    }
+
+    /**
+     * Create a new instance of the adapter, if it is available.
+     *
+     * @return \PhpOption\Option<\Dotenv\Repository\Adapter\AdapterInterface>
+     */
+    public static function create()
+    {
+        /** @var \PhpOption\Option<AdapterInterface> */
+        return Some::create(new self());
+    }
+
+    /**
+     * Read an environment variable, if it exists.
+     *
+     * @param string $name
+     *
+     * @return \PhpOption\Option<string>
+     */
+    public function read(string $name)
+    {
+        /** @var \PhpOption\Option<string> */
+        return Option::fromArraysValue($_ENV, $name)
+            ->map(static function ($value) {
+                if ($value === false) {
+                    return 'false';
+                }
+
+                if ($value === true) {
+                    return 'true';
+                }
+
+                return $value;
+            })->filter(static function ($value) {
+                return \is_string($value);
+            });
+    }
+
+    /**
+     * Write to an environment variable, if possible.
+     *
+     * @param string $name
+     * @param string $value
      *
      * @return bool
      */
-    public function isSupported()
+    public function write(string $name, string $value)
     {
+        $_ENV[$name] = $value;
+
         return true;
     }
 
     /**
-     * Get an environment variable, if it exists.
+     * Delete an environment variable, if possible.
      *
      * @param string $name
      *
-     * @return \PhpOption\Option<string|null>
+     * @return bool
      */
-    public function get($name)
-    {
-        if (array_key_exists($name, $_ENV)) {
-            return Some::create($_ENV[$name]);
-        }
-
-        return None::create();
-    }
-
-    /**
-     * Set an environment variable.
-     *
-     * @param string      $name
-     * @param string|null $value
-     *
-     * @return void
-     */
-    public function set($name, $value = null)
-    {
-        $_ENV[$name] = $value;
-    }
-
-    /**
-     * Clear an environment variable.
-     *
-     * @param string $name
-     *
-     * @return void
-     */
-    public function clear($name)
+    public function delete(string $name)
     {
         unset($_ENV[$name]);
+
+        return true;
     }
 }