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Fix #79968: Manipulation on unattached DOMChildNode should throw DOMException #5990

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Fix #79968: Manipulation on unattached DOMChildNode should throw DOMException #5990

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5 changes: 5 additions & 0 deletions ext/dom/parentnode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,11 @@ xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNod
dom_object *newNodeObj;
int stricterror;

if (document == NULL) {
php_dom_throw_error(HIERARCHY_REQUEST_ERR, 1);
return NULL;
}

if (contextNode->type == XML_DOCUMENT_NODE || contextNode->type == XML_HTML_DOCUMENT_NODE) {
documentNode = (xmlDoc *) contextNode;
} else {
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17 changes: 17 additions & 0 deletions ext/dom/tests/bug79968.phpt
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@@ -0,0 +1,17 @@
--TEST--
dom: Bug #79968 - Crash when calling before without valid hierachy
--SKIPIF--
<?php require_once('skipif.inc'); ?>
--FILE--
<?php

$cdata = new DOMText;

try {
$cdata->before("string");
} catch (DOMException $e) {
echo $e->getMessage();
}
?>
--EXPECT--
Hierarchy Request Error