| --TEST-- | |
| compareDocumentPosition: entity ordering | |
| --EXTENSIONS-- | |
| dom | |
| --FILE-- | |
| $dom = new DOMDocument(); | |
| $dom->loadXML(<<<XML | |
| <?xml version="1.0"?> | |
| <!DOCTYPE root [ | |
| <!ENTITY e1 "e1"> | |
| <!ENTITY e2 "e2"> | |
| ]> | |
| <container> | |
| <child>&e1;</child> | |
| </container> | |
| XML, LIBXML_NOENT); | |
| $entities = iterator_to_array($dom->doctype->entities); | |
| usort($entities, fn ($a, $b) => strcmp($a->nodeName, $b->nodeName)); | |
| echo "--- Compare entities ---\n"; | |
| var_dump($entities[0]->compareDocumentPosition($entities[1]) === DOMNode::DOCUMENT_POSITION_FOLLOWING); | |
| var_dump($entities[1]->compareDocumentPosition($entities[0]) === DOMNode::DOCUMENT_POSITION_PRECEDING); | |
| $xpath = new DOMXPath($dom); | |
| $child = $xpath->query('//child')->item(0); | |
| echo "--- Compare entities against first child ---\n"; | |
| var_dump($entities[0]->compareDocumentPosition($child->firstChild) === DOMNode::DOCUMENT_POSITION_FOLLOWING); | |
| var_dump($entities[1]->compareDocumentPosition($child->firstChild) === DOMNode::DOCUMENT_POSITION_FOLLOWING); | |
| echo "--- Compare first child against entities ---\n"; | |
| var_dump($child->firstChild->compareDocumentPosition($entities[0]) === DOMNode::DOCUMENT_POSITION_PRECEDING); | |
| var_dump($child->firstChild->compareDocumentPosition($entities[1]) === DOMNode::DOCUMENT_POSITION_PRECEDING); | |
| --EXPECT-- | |
| --- Compare entities --- | |
| bool(true) | |
| bool(true) | |
| --- Compare entities against first child --- | |
| bool(true) | |
| bool(true) | |
| --- Compare first child against entities --- | |
| bool(true) | |
| bool(true) | |