--TEST--
Bug #69201 (Memory leak using iterator and get by reference on PHP 7)
--FILE--
<?php
class Entity
{

    protected $_properties = [];

    public function &__get($property)
    {
        $value = null;
        return $value;
    }

    public function __set($property, $value)
    {
    }
}

$e = new Entity;

$e->a += 1;
echo "okey";
?>
--EXPECT--
okey