Enums as singletons are not cloneable

Author: marc-mabe

src/MabeEnum/Enum.php

@@ -52,6 +52,25 @@ final private function __construct($value)
         $this->value = $constants[$const];
     }
 
+    /**
+     * Get the selected value
+     * @return string
+     * @see getValue()
+     */
+    final public function __toString()
+    {
+        return (string) $this->value;
+    }
+
+    /**
+     * @throws LogicException Enums are not cloneable
+     *                        because instances are implemented as singletons
+     */
+    final private function __clone()
+    {
+        throw new LogicException('Enums are not cloneable');
+    }
+
     /**
      * Get the current selected value
      * @return mixed
@@ -94,16 +113,6 @@ final public function getOrdinal()
         return $ordinal;
     }
 
-    /**
-     * Get the current selected constant name
-     * @return string
-     * @see getName()
-     */
-    final public function __toString()
-    {
-        return (string) $this->value;
-    }
-
     /**
      * Get an enum of the given value
      *