--TEST--
object link operator
--FILE--
<?php
function main()
{
$a = [1, 2, 3];
$b = &$a;
$b[] = 5;
$c = &$b;
$c [] = 6;
assert(count($a) === 5);
assert(count($b) === 5);
assert(count($c) === 5);
}
?>
--EXPECT--
