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<?php $XML = ' <html> <h1>Hello</h1> <ol> <li>test (no id)</li> <li xml:id="i2">test i2</li> </ol> </html> '; $doc = new DOMDocument; $doc->loadXML($XML); $xpath = new DOMXpath($doc); // get the ol $olNode = $xpath->evaluate('//ol[1]', NULL, FALSE)->item(0); // append a new list item $olNode->appendChild($liNode = $doc->createElement('li')); $liNode->appendChild($doc->createTextNode('test i3')); $liNode->setAttribute('xml:id', 'i3'); // show new DOM state print $doc->saveXML(); // insert a new list item before the others $olNode->insertBefore($liNode = $doc->createElement('li'), $olNode->firstChild); $liNode->appendChild($doc->createTextNode('test i0')); $liNode->setAttribute('xml:id', 'i0'); // show new DOM state print $doc->saveXML(); // fetch the li nodes without an xml:id $nodes = $xpath->evaluate('//ol/li[not(@xml:id)]', NULL, FALSE); // and remove them in reverse order for ($i = $nodes->length - 1; $i >= 0; --$i) { $nodes->item($i)->parentNode->removeChild($nodes->item($i)); } // show new DOM state print $doc->saveXML(); // replace the li[@xml:id'i2'] with a new node $liNode = $doc->getElementById('i2'); $followingNode = $liNode->nextSibling; $odNode = $liNode->parentNode; $olNode->removeChild($liNode); $olNode->insertBefore($liNode = $doc->createElement('li'), $followingNode); $liNode->appendChild($doc->createTextNode('test i2 replaced')); $liNode->setAttribute('xml:id', 'i2'); // show new DOM state print $doc->saveXML(); // NOT REFRESHING!?! var_dump($doc->getElementById('i2')); // object(DOMElement)#5 (0) { } li //CAN_NOT_doMORESomeChange($doc); $doc->loadXML($doc->saveXML()); // only way to refresh? print $doc->getElementById('i2')->tagName; //OK, is there // be ware that the xpath still uses the old document var_dump($xpath->document === $doc);
Output for git.master_jit, git.master, rfc.property-hooks
<?xml version="1.0"?> <html> <h1>Hello</h1> <ol> <li>test (no id)</li> <li xml:id="i2">test i2</li> <li xml:id="i3">test i3</li></ol> </html> <?xml version="1.0"?> <html> <h1>Hello</h1> <ol><li xml:id="i0">test i0</li> <li>test (no id)</li> <li xml:id="i2">test i2</li> <li xml:id="i3">test i3</li></ol> </html> <?xml version="1.0"?> <html> <h1>Hello</h1> <ol><li xml:id="i0">test i0</li> <li xml:id="i2">test i2</li> <li xml:id="i3">test i3</li></ol> </html> <?xml version="1.0"?> <html> <h1>Hello</h1> <ol><li xml:id="i0">test i0</li> <li xml:id="i2">test i2 replaced</li> <li xml:id="i3">test i3</li></ol> </html> object(DOMElement)#8 (23) { ["schemaTypeInfo"]=> NULL ["tagName"]=> string(2) "li" ["firstElementChild"]=> NULL ["lastElementChild"]=> NULL ["childElementCount"]=> int(0) ["previousElementSibling"]=> string(22) "(object value omitted)" ["nextElementSibling"]=> string(22) "(object value omitted)" ["nodeName"]=> string(2) "li" ["nodeValue"]=> string(16) "test i2 replaced" ["nodeType"]=> int(1) ["parentNode"]=> string(22) "(object value omitted)" ["childNodes"]=> string(22) "(object value omitted)" ["firstChild"]=> string(22) "(object value omitted)" ["lastChild"]=> string(22) "(object value omitted)" ["previousSibling"]=> string(22) "(object value omitted)" ["nextSibling"]=> string(22) "(object value omitted)" ["attributes"]=> string(22) "(object value omitted)" ["ownerDocument"]=> string(22) "(object value omitted)" ["namespaceURI"]=> NULL ["prefix"]=> string(0) "" ["localName"]=> string(2) "li" ["baseURI"]=> string(1) "/" ["textContent"]=> string(16) "test i2 replaced" } libool(false)

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