--TEST--
Bug #74519 strange behavior of AppendIterator
--FILE--
<?php

$iterator = new \AppendIterator();
$events = new \ArrayIterator([1,2,3,4,5]);
$iterator->append($events);

$events->next();

while($iterator->valid()) {
    echo $iterator->current(), "\n";
    $iterator->next();
}
?>
--EXPECT--
2
3
4
5