Invalid associative array containing duplicate keys

[t-voet]

Description

The following code:

<?php
var_dump((new SQLite3(':memory:'))
	->query('SELECT 1 AS key,2 AS key')
	->fetchArray(SQLITE3_ASSOC));

Resulted in this output, for PHP 8.2.*:

array(2) {
  ["key"]=>
  int(1)
  ["key"]=>
  int(2)
}

But I expected this output instead, like PHP 8.1.20 and earlier:

array(1) {
  ["key"]=>
  int(2)
}

These duplicate keys are propagated by json_encode(), serialize(), ... resulting in invalid JSON, for example.

PHP Version

PHP 8.2.7

Operating System

FreeBSD 13.1-RELEASE-p6

[nielsdos]

Thanks for the report.
Fails with this assertion: php: zend_hash.c:773: _zend_hash_add_or_update_i: Assertion (flag & (1<<3)) == 0' failed.` I'll check it out.
EDIT: regressed in 1487dd0