ArrayHash: fixed bug in ArrayIterator [Closes #103]

src/Utils/ArrayHash.php

@@ -41,7 +41,7 @@ public static function from($arr, $recursive = TRUE)
 	 */
 	public function getIterator()
 	{
-		return new \RecursiveArrayIterator($this);
+		return new \RecursiveArrayIterator((array) $this);
 	}
 
 

tests/Utils/ArrayHash.phpt

@@ -181,3 +181,12 @@ test(function () { // undeclared fields
 		$row['undef'];
 	}, E_NOTICE, 'Undefined property: Nette\Utils\ArrayHash::$undef');
 });
+
+
+test(function () { // PHP 7 changed behavior https://3v4l.org/2A1pf
+	$hash = ArrayHash::from(array(1, 2, 3));
+	foreach ($hash as $key => $value) {
+		unset($hash->$key);
+	}
+	Assert::count(0, $hash);
+});