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archived-php-src/ext/dom/tests/gh17201.phpt
Niels Dossche e247461881 Fix GH-17201: Dom\TokenList issues with interned string replace
If a bucket previously had a non-interned string, and is now replaced
with an interned string, then the type flags still incorrectly state
it's a non-interned string. This leads to the refcount being edited for
interned strings, which in turn can lead to a crash when protect_memory
is set.

Closes GH-17207.
2024-12-17 23:07:58 +01:00

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PHP

--TEST--
GH-17201 (Dom\TokenList issues with interned string replace)
--EXTENSIONS--
dom
--INI--
opcache.protect_memory=1
--FILE--
<?php
$dom = DOM\XMLDocument::createFromString('<root class="AA B C"/>');
$element = $dom->documentElement;
$list = $element->classList;
$list->replace('AA', 'AB'); // Use interned string
foreach ($list as $entry) {
var_dump($entry);
}
?>
--EXPECT--
string(2) "AB"
string(1) "B"
string(1) "C"