Restore enum instance from var_export()

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased](https://github.com/BenSampo/laravel-enum/compare/v5.1.0...master)
 
+### Added
+
+- Restore enum instance from `var_export()`
+
 ## [5.1.0](https://github.com/BenSampo/laravel-enum/compare/v5.0.0...v5.1.0) - 2022-02-09
 
 ### Added

src/Enum.php

@@ -71,6 +71,17 @@ public function __construct($enumValue)
         $this->description = static::getDescription($enumValue);
     }
 
+    /**
+     * Restores an enum instance exported by var_export().
+     *
+     * @param  array{value: mixed, key: string, description: string}  $enum
+     * @return static
+     */
+    public static function __set_state(array $enum): static
+    {
+        return new static($enum['value']);
+    }
+
     /**
      * Make a new instance from an enum value.
      *

tests/VarExportTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace BenSampo\Enum\Tests;
+
+use PHPUnit\Framework\TestCase;
+use BenSampo\Enum\Tests\Enums\UserType;
+
+class VarExportTest extends TestCase
+{
+    public function test_var_export()
+    {
+        $admin = UserType::Administrator();
+
+        $exported = var_export($admin, true);
+        $restored = eval("return {$exported};");
+
+        $this->assertSame($admin->value, $restored->value);
+    }
+}