From 7f5fe891abd50bfb71cd48ee55eace37287f4b1d Mon Sep 17 00:00:00 2001
From: Milad Rahimi <info@miladrahimi.com>
Date: Sat, 17 Jul 2021 21:30:06 +0430
Subject: [PATCH] support inhertance

---
 src/Enum.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/Enum.php b/src/Enum.php
index ed19e12..c2572ec 100644
--- a/src/Enum.php
+++ b/src/Enum.php
@@ -3,7 +3,7 @@
 namespace MiladRahimi\Enum;
 
 use ReflectionClass;
-use ReflectionException;
+use Throwable;
 
 abstract class Enum
 {
@@ -22,8 +22,12 @@ abstract class Enum
     public static function all(): array
     {
         try {
-            return static::$items ?: static::$items = (new ReflectionClass(static::class))->getConstants();
-        } catch (ReflectionException $e) {
+            if (isset(static::$items[static::class])) {
+                return static::$items[static::class];
+            }
+
+            return static::$items[static::class] = (new ReflectionClass(static::class))->getConstants();
+        } catch (Throwable $e) {
             return [];
         }
     }
@@ -130,4 +134,4 @@ public static function randomValue()
     {
         return static::all()[array_rand(static::all())];
     }
-}
\ No newline at end of file
+}