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b374ec399d
We could end up in an invalid hierarchy, resulting in infinite loops and eventual crashes if we don't check for the DOM hierarchy validity. Closes GH-11344.
89 lines
2.3 KiB
PHP
89 lines
2.3 KiB
PHP
--TEST--
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DOMElement::append() with hierarchy changes and errors
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--EXTENSIONS--
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dom
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--FILE--
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<?php
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$dom_original = new DOMDocument;
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$dom_original->loadXML('<p><b>hello</b><b><i>world</i></b></p>');
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echo "-- Append hello with world --\n";
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$dom = clone $dom_original;
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$b_hello = $dom->firstChild->firstChild;
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$b_world = $b_hello->nextSibling;
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$b_hello->append($b_world);
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var_dump($dom->saveHTML());
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echo "-- Append hello with world's child --\n";
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$dom = clone $dom_original;
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$b_hello = $dom->firstChild->firstChild;
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$b_world = $b_hello->nextSibling;
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$b_hello->append($b_world->firstChild);
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var_dump($dom->saveHTML());
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echo "-- Append world's child with hello --\n";
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$dom = clone $dom_original;
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$b_hello = $dom->firstChild->firstChild;
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$b_world = $b_hello->nextSibling;
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$b_world->firstChild->append($b_hello);
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var_dump($dom->saveHTML());
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echo "-- Append hello with itself --\n";
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$dom = clone $dom_original;
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$b_hello = $dom->firstChild->firstChild;
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try {
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$b_hello->append($b_hello);
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} catch (\DOMException $e) {
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echo $e->getMessage(), "\n";
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}
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var_dump($dom->saveHTML());
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echo "-- Append world's i tag with the parent --\n";
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$dom = clone $dom_original;
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$b_hello = $dom->firstChild->firstChild;
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$b_world = $b_hello->nextSibling;
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try {
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$b_world->firstChild->append($b_world);
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} catch (\DOMException $e) {
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echo $e->getMessage(), "\n";
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}
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var_dump($dom->saveHTML());
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echo "-- Append from another document --\n";
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$dom = clone $dom_original;
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$dom2 = new DOMDocument;
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$dom2->loadXML('<p>other</p>');
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try {
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$dom->firstChild->firstChild->prepend($dom2->firstChild);
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} catch (\DOMException $e) {
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echo $e->getMessage(), "\n";
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}
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var_dump($dom2->saveHTML());
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var_dump($dom->saveHTML());
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?>
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--EXPECT--
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-- Append hello with world --
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string(39) "<p><b>hello<b><i>world</i></b></b></p>
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"
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-- Append hello with world's child --
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string(39) "<p><b>hello<i>world</i></b><b></b></p>
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"
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-- Append world's child with hello --
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string(39) "<p><b><i>world<b>hello</b></i></b></p>
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"
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-- Append hello with itself --
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Hierarchy Request Error
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string(39) "<p><b>hello</b><b><i>world</i></b></p>
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"
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-- Append world's i tag with the parent --
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Hierarchy Request Error
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string(39) "<p><b>hello</b><b><i>world</i></b></p>
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"
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-- Append from another document --
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Wrong Document Error
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string(13) "<p>other</p>
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"
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string(39) "<p><b>hello</b><b><i>world</i></b></p>
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"
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