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For the past 20 years this threw a "not yet implemented" exception. But the function was actually there (albeit not documented) and could be called... Closes GH-11333.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,161 @@ | ||
| --TEST-- | ||
| DOMDocument::adoptNode not implemented | ||
| Tests DOMDocument::adoptNode() | ||
| --EXTENSIONS-- | ||
| dom | ||
| --FILE-- | ||
| <?php | ||
|
|
||
| $dom = new DOMDocument(); | ||
| $dom->loadXML("<root />"); | ||
| $doc1 = new DOMDocument(); | ||
| $doc1->loadXML("<p><b>hi<i attrib=\"1\">x</i></b>world</p>"); | ||
| $doc2 = new DOMDocument(); | ||
| $doc2->loadXML("<div/>"); | ||
|
|
||
| $b_tag_element = $doc1->firstChild->firstChild; | ||
| $i_tag_element = $b_tag_element->lastChild; | ||
|
|
||
| echo "-- Owner document check before adopting --\n"; | ||
| var_dump($i_tag_element->ownerDocument === $doc1); | ||
| var_dump($i_tag_element->ownerDocument === $doc2); | ||
|
|
||
| echo "-- Trying to append child from other document --\n"; | ||
| try { | ||
| $doc2->firstChild->appendChild($b_tag_element); // Should fail because it's another document | ||
| } catch (\DOMException $e) { | ||
| echo $e->getMessage(), "\n"; | ||
| } | ||
|
|
||
| echo "-- Adopting --\n"; | ||
| $adopted = $doc2->adoptNode($b_tag_element); | ||
| var_dump($adopted->textContent); | ||
| var_dump($doc1->saveXML()); | ||
| var_dump($doc2->saveXML()); | ||
|
|
||
| echo "-- Appending the adopted node --\n"; | ||
|
|
||
| $doc2->firstChild->appendChild($adopted); | ||
| var_dump($doc2->saveXML()); | ||
| var_dump($i_tag_element->ownerDocument === $doc1); | ||
| var_dump($i_tag_element->ownerDocument === $doc2); | ||
|
|
||
| echo "-- Adopt node to the original document --\n"; | ||
|
|
||
| $adopted = $doc1->adoptNode($doc1->firstChild->firstChild); | ||
| var_dump($adopted->textContent); | ||
| var_dump($doc1->saveXML()); | ||
|
|
||
| echo "-- Adopt a document --\n"; | ||
|
|
||
| try { | ||
| $dom->adoptNode($dom->documentElement); | ||
| } catch (\Error $e) { | ||
| echo $e->getMessage() . \PHP_EOL; | ||
| $doc1->adoptNode($doc1); | ||
| } catch (\DOMException $e) { | ||
| echo $e->getMessage(), "\n"; | ||
| } | ||
|
|
||
| echo "-- Adopt an attribute --\n"; | ||
|
|
||
| $doc3 = new DOMDocument(); | ||
| $doc3->loadXML('<p align="center">hi</p>'); | ||
| $attribute = $doc3->firstChild->attributes->item(0); | ||
| var_dump($attribute->parentNode !== NULL); | ||
| $adopted = $doc3->adoptNode($attribute); | ||
| var_dump($adopted->parentNode === NULL); | ||
| echo $doc3->saveXML(); | ||
|
|
||
| echo "-- Append an attribute from another document --\n"; | ||
|
|
||
| $doc4 = new DOMDocument(); | ||
| $doc4->appendChild($doc4->createElement('container')); | ||
| $doc4->documentElement->appendChild($doc4->adoptNode($adopted)); | ||
| echo $doc4->saveXML(); | ||
|
|
||
| echo "-- Adopt an entity reference --\n"; | ||
|
|
||
| $doc4 = new DOMDocument(); | ||
| $doc4->loadXML(<<<'XML' | ||
| <?xml version='1.0' encoding='utf-8' ?> | ||
| <!DOCTYPE set PUBLIC "-//OASIS//DTD DocBook XML V5.0//EN" "http://www.docbook.org/xml/5.0/dtd/docbook.dtd" [ | ||
| <!ENTITY my_entity '<p>hi</p>'> ]> | ||
| <p/> | ||
| XML, LIBXML_NOENT); | ||
| $p_tag_element = $doc4->firstChild->nextSibling; | ||
| $entity_reference = $doc4->createEntityReference('my_entity'); | ||
| $p_tag_element->appendChild($entity_reference); | ||
| var_dump($doc4->saveXML()); | ||
| $doc3->adoptNode($entity_reference); | ||
| var_dump($doc4->saveXML()); | ||
| $doc3->firstChild->appendChild($entity_reference); | ||
| var_dump($doc3->saveXML()); | ||
|
|
||
| echo "-- Adopt a node and destroy the new document --\n"; | ||
|
|
||
| $doc1 = new DOMDocument(); | ||
| $doc1->appendChild($doc1->createElement('child')); | ||
| $doc2 = new DOMDocument(); | ||
| $doc2->appendChild($doc2->createElement('container')); | ||
| $doc2->documentElement->appendChild($child = $doc2->adoptNode($doc1->documentElement)); | ||
| echo $doc1->saveXML(); | ||
| echo $doc2->saveXML(); | ||
| // Try to trigger a use-after-free | ||
| unset($doc2); | ||
| var_dump($child->nodeName); | ||
| unset($doc1); | ||
| var_dump($child->nodeName); | ||
|
|
||
| ?> | ||
| --EXPECT-- | ||
| Not yet implemented | ||
| -- Owner document check before adopting -- | ||
| bool(true) | ||
| bool(false) | ||
| -- Trying to append child from other document -- | ||
| Wrong Document Error | ||
| -- Adopting -- | ||
| string(3) "hix" | ||
| string(35) "<?xml version="1.0"?> | ||
| <p>world</p> | ||
| " | ||
| string(29) "<?xml version="1.0"?> | ||
| <div/> | ||
| " | ||
| -- Appending the adopted node -- | ||
| string(62) "<?xml version="1.0"?> | ||
| <div><b>hi<i attrib="1">x</i></b></div> | ||
| " | ||
| bool(false) | ||
| bool(true) | ||
| -- Adopt node to the original document -- | ||
| string(5) "world" | ||
| string(27) "<?xml version="1.0"?> | ||
| <p/> | ||
| " | ||
| -- Adopt a document -- | ||
| Not Supported Error | ||
| -- Adopt an attribute -- | ||
| bool(true) | ||
| bool(true) | ||
| <?xml version="1.0"?> | ||
| <p>hi</p> | ||
| -- Append an attribute from another document -- | ||
| <?xml version="1.0"?> | ||
| <container align="center"/> | ||
| -- Adopt an entity reference -- | ||
| string(202) "<?xml version="1.0" encoding="utf-8"?> | ||
| <!DOCTYPE set PUBLIC "-//OASIS//DTD DocBook XML V5.0//EN" "http://www.docbook.org/xml/5.0/dtd/docbook.dtd" [ | ||
| <!ENTITY my_entity "<p>hi</p>"> | ||
| ]> | ||
| <p>&my_entity;</p> | ||
| " | ||
| string(188) "<?xml version="1.0" encoding="utf-8"?> | ||
| <!DOCTYPE set PUBLIC "-//OASIS//DTD DocBook XML V5.0//EN" "http://www.docbook.org/xml/5.0/dtd/docbook.dtd" [ | ||
| <!ENTITY my_entity "<p>hi</p>"> | ||
| ]> | ||
| <p/> | ||
| " | ||
| string(43) "<?xml version="1.0"?> | ||
| <p>hi&my_entity;</p> | ||
| " | ||
| -- Adopt a node and destroy the new document -- | ||
| <?xml version="1.0"?> | ||
| <?xml version="1.0"?> | ||
| <container><child/></container> | ||
| string(5) "child" | ||
| string(5) "child" |