Available serialize enum

src/Enum.php

@@ -15,7 +15,7 @@
  * @author Daniel Costa <danielcosta@gmail.com>
  * @author Mirosław Filip <mirfilip@gmail.com>
  */
-abstract class Enum
+abstract class Enum implements \Serializable
 {
     /**
      * Enum value
@@ -165,6 +165,22 @@ public static function search($value)
         return array_search($value, static::toArray(), true);
     }
 
+    /**
+     * @return string
+     */
+    public function serialize()
+    {
+        return serialize($this->value);
+    }
+
+    /**
+     * @param string $serialized
+     */
+    public function unserialize($serialized)
+    {
+        $this->value = unserialize($serialized);
+    }
+
     /**
      * Returns a value when called statically like so: MyEnum::SOME_VALUE() given SOME_VALUE is a class constant
      *

tests/EnumTest.php

@@ -250,4 +250,18 @@ public function testEqualsConflictValues()
     {
         $this->assertFalse(EnumFixture::FOO()->equals(EnumConflict::FOO()));
     }
+
+    public function testSerialize()
+    {
+        $this->assertEquals('C:30:"MyCLabs\Tests\Enum\EnumFixture":10:{s:3:"foo";}', serialize(EnumFixture::FOO()));
+    }
+
+    public function testUnserialize()
+    {
+        /* @var $value EnumFixture */
+        $value = unserialize('C:30:"MyCLabs\Tests\Enum\EnumFixture":10:{s:3:"foo";}');
+
+        $this->assertEquals(EnumFixture::FOO, $value->getValue());
+        $this->assertTrue(EnumFixture::FOO()->equals($value));
+    }
 }