Segmentation fault (stack overflow) in AppendIterator

[YuanchengJiang]

Description

The following code:

<?php
$iterator = new \AppendIterator();
$iterator->append($iterator);

PHP Version

PHP 8.4.0-dev

Operating System

ubuntu 22.04

[devnexen]

seems spl issue, might be wrong.

[cmb69]

Well, that's infinite recursion. See #9104.

[ndossche]

Related to #15672

[DanielEScherzer]

Per https://3v4l.org/Dvcb0 this has been around 8.1 (or earlier), patch targeting 8.2 sent at #16492

[Girgias]

I don't think there is anything meaningful that can be done here. Infinite recursion is a programming error.