On 04.03.2022 at 16:34, Romain Moyne wrote:
> working with php 8.0.16, i am meeting a hard bug I can't really explain.
> One of my script populates an array and doing a var_dump I have that :
>
> Notice the duplicate -1 key. It should not exist as php should erase the
> previous key.
>
> array(3) {
> [-1]=>
> array(1) {
> [0]=>
> int(10585779)
> }
> [18]=>
> array(2) {
> [0]=>
> int(10585779)
> [1]=>
> int(10586274)
> }
> [-1]=>
> array(1) {
> [0]=>
> int(10586274)
> }
> }
>
>
> And when doing a json_encode of that, I get that :
> "id_hash":{"-1":[10585779],"18":[10585779,10586274],"-1":[10586274]}
>
>
> I suspected a utf8 misencoding, but it seems it's not.
>
> Any thoughts?
To my knowledge, this is not supposed to happen, although the Zend
engine exposes at least one API (zend_hash_index_add_new()) which allows
to construct such arrays. There might be a bug lurking around, possibly
in some extension. Do you have a way to reproduce building this array?
--
Christoph M. Becker
