Description

The following code:

<?php

$all = ['test'];

foreach ($all as &$item) {
  $all += [$item];
}

var_dump($all);

Resulted in this output:

endless foreach

But I expected this output instead:

array(1) {
  [0]=>
  &string(4) "test"
}

PHP Version

PHP 8.2.6RC1

Operating System

Debian 11.7