--TEST--
Testing array dereferencing from instance with ArrayObject
--FILE--
<?php

class foo extends ArrayObject {
    public function __construct($arr) {
        parent::__construct($arr);
    }
}

var_dump( (new foo( array(1, array(4, 5), 3) ))[1][0] ); // int(4)

?>
--EXPECT--
int(4)