--TEST--
PHPC-1839: Referenced, out-of-scope, non-interned string in typeMap (PHP < 8.1)
--SKIPIF--
<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
<?php skip_if_php_version('>=', '8.1'); ?>
--FILE--
<?php
require_once __DIR__ . "/../utils/basic.inc";

function createTypemap()
{
    // Assemble the string so as to not have an interned string
    $rootValue = chr(ord('a')) . 'rray';
    $documentValue = chr(ord('a')) . 'rray';

    // Use a reference to this non-interned string in the type map
    $typemap = ['root' => &$rootValue, 'document' => &$documentValue];

    return $typemap;
}

$typemap = createTypemap();
$bson    = MongoDB\BSON\Document::fromPHP((object) []);

echo "Before:\n";
debug_zval_dump($typemap);

$bson->toPHP($typemap);

echo "After:\n";
debug_zval_dump($typemap);

?>
===DONE===
<?php exit(0); ?>
--EXPECT--
Before:
array(2) refcount(2){
  ["root"]=>
  string(5) "array" refcount(1)
  ["document"]=>
  string(5) "array" refcount(1)
}
After:
array(2) refcount(2){
  ["root"]=>
  string(5) "array" refcount(1)
  ["document"]=>
  string(5) "array" refcount(1)
}
===DONE===