fix: forgetTwin() may not forget

因為用 && 會導致前者失敗後者就直接不執行
而 || 會造成前者成功後者不執行
所以最後分開執行並給個暫時性變數
用這兩個變數進行 || 運算
只要有一邊成功就回傳真
都失敗才回傳假

Author: hms5232

src/TwinStore.php

@@ -328,8 +328,11 @@ public function foreverTwin($key, $value)
      */
     public function forgetTwin($key)
     {
-        return $this->older->forget($key)
-            && $this->younger->forget($key);
+        $forget_older = $this->older->forget($key);
+        $forget_younger = $this->younger->forget($key);
+
+        // If one of them succeed, this will return ture
+        return $forget_older || $forget_younger;
     }
 
     /**