Merge pull request #2 from DavertMik/master

Fixed cloning non-clonable items

Author: mnapoli

src/DeepCopy/DeepCopy.php

@@ -22,6 +22,19 @@ class DeepCopy
      */
     private $filters = [];
 
+    private $skipUncloneable = false;
+
+    /**
+     * Cloning uncloneable properties won't throw exception.
+     * @param $skipUncloneable
+     * @return $this
+     */
+    public function skipUncloneable($skipUncloneable = true)
+    {
+        $this->skipUncloneable = $skipUncloneable;
+        return $this;
+    }
+
     /**
      * Perform a deep copy of the object.
      * @param object $object
@@ -87,12 +100,17 @@ private function copyObject($object)
             return $this->hashMap[$objectHash];
         }
 
-        $newObject = clone $object;
+        $reflectedObject = new \ReflectionObject($object);
 
+        if (!$reflectedObject->isCloneable() and $this->skipUncloneable) {
+            $this->hashMap[$objectHash] = $object;
+            return $object;
+        }
+
+        $newObject = clone $object;
         $this->hashMap[$objectHash] = $newObject;
 
-        $class = new \ReflectionObject($newObject);
-        foreach ($class->getProperties() as $property) {
+        foreach ($reflectedObject->getProperties() as $property) {
             $this->copyObjectProperty($newObject, $property);
         }
 

tests/DeepCopyTest/DeepCopyTest.php

@@ -95,6 +95,14 @@ public function testDynamicProperties()
         $this->assertDeepCopyOf($a, $a2);
     }
 
+    public function testNonClonableItems()
+    {
+        $a = new \ReflectionClass('DeepCopyTest\A');
+        $deepCopy = new DeepCopy();
+        $a2 = $deepCopy->skipUncloneable()->copy($a);
+        $this->assertSame($a, $a2);
+    }
+
     /**
      * @test
      */
@@ -139,7 +147,7 @@ public function filtersShouldBeAppliedAndBreakPropertyCopying()
         $new = $deepCopy->copy($o);
 
         $this->assertSame($o->property1, $new->property1);
-    }
+    }    
 }
 
 class A