Description:
------------
Does the recursive call to the magic method be allowed?

Actual result in php 5.x and 7.0.x:
__get test
PHP Notice:  Undefined property: Test::$test in /data1/data/playcrab/tmp/test4.php on line 10
__get test2
PHP Notice:  Undefined property: Test::$test in /data1/data/playcrab/tmp/test4.php on line 12

Actual result in php 7.1.x:
__get test
PHP Notice:  Undefined property: Test::$test in /data1/data/playcrab/tmp/test4.php on line 10
__get test2
__get test

Test script:
---------------
<?php
class Test
{
    public function __get($var)
    {
        static $first = true;
        echo '__get '.$var.PHP_EOL;
        if ($first) {
            $first = false;
            $this->$var;
            $this->{$var.'2'};
            $this->$var;
        }
    }
}

$test = new Test;
$test->test;


Expected result:
----------------
__get test
__get test
__get test2
__get test

Actual result:
--------------
__get test
PHP Notice:  Undefined property: Test::$test in /data1/data/playcrab/tmp/test4.php on line 10
__get test2
__get test