(PHP 5, PHP 7, PHP 8)
$exclusive = false,$withComments = false,$xpath = null,$nsPrefixes = nullRetourne le nom, le plus précis, pour le type de nœud courant
La valeur de ce nœud, suivant son type.
Contrairement aux spécifications W3C, la valeur du nœud des
nœuds DOMElement est égale à
DOMNode::textContent
au lieu de null.
Récupère le type du nœud. Une des constantes XML_*_NODE
Le parent de ce nœud. Si ce type de nœud n'existe pas, ceci retournera null.
L'élément pare de cet élément. S'il n'y a pas de tel élément, ceci retourne null.
Un DOMNodeList qui contient tous les enfants de ce nœud. S'il n'y a aucun enfant, ce sera un DOMNodeList vide.
Le premier enfant de ce nœud. S'il n'y a aucun nœud de ce type,
retourne null.
Le dernier enfant de ce nœud. S'il n'y a aucun nœud de ce type,
retourne null.
Le nœud précédant immédiatement ce nœud. S'il n'y a aucun
nœud, retourne null.
Le nœud suivant immédiatement ce nœud. S'il n'y a aucun nœud,
retourne null.
Un DOMNamedNodeMap contenant les attributs
de ce nœud (si c'est un DOMElement)
ou null sinon.
Si le nœud est connecté à un document ou non
L'objet DOMDocument associé avec ce nœud,
ou null si ce nœud est un DOMDocument.
L'espace de nom de l'URL pour ce nœud, ou null s'il n'est pas
spécifié.
Le préfixe de l'espace de nom de ce nœud.
Retourne la partie locale du nom qualifié du nœud.
La base de l'URL absolue du nœud, ou null si l'implémentation
n'a pas réussi à obtenir l'URL absolue.
Le contenu textuel de ce nœud et de ces descendants.
| Version | Description |
|---|---|
| 8.3.0 | Les propriétés DOMNode::$parentElement, et DOMNode::$isConnected ont été ajouté. |
| 8.0.0 | Les méthodes non implémentées DOMNode::compareDocumentPosition(), DOMNode::isEqualNode(), DOMNode::getFeature(), DOMNode::setUserData() et DOMNode::getUserData() ont été supprimées. |
Note:
L'extension DOM utilise l'encodage UTF-8. Utilisez mb_convert_encoding(), UConverter::transcode(), ou iconv() pour manipuler d'autres encodages.
It took me forever to find a mapping for the XML_*_NODE constants. So I thought, it'd be handy to paste it here:
1 XML_ELEMENT_NODE
2 XML_ATTRIBUTE_NODE
3 XML_TEXT_NODE
4 XML_CDATA_SECTION_NODE
5 XML_ENTITY_REFERENCE_NODE
6 XML_ENTITY_NODE
7 XML_PROCESSING_INSTRUCTION_NODE
8 XML_COMMENT_NODE
9 XML_DOCUMENT_NODE
10 XML_DOCUMENT_TYPE_NODE
11 XML_DOCUMENT_FRAGMENT_NODE
12 XML_NOTATION_NODEYou cannot simply overwrite $textContent, to replace the text content of a DOMNode, as the missing readonly flag suggests. Instead you have to do something like this:
<?php
$node->removeChild($node->firstChild);
$node->appendChild(new DOMText('new text content'));
?>
This example shows what happens:
<?php
$doc = DOMDocument::loadXML('<node>old content</node>');
$node = $doc->getElementsByTagName('node')->item(0);
echo "Content 1: ".$node->textContent."\n";
$node->textContent = 'new content';
echo "Content 2: ".$node->textContent."\n";
$newText = new DOMText('new content');
$node->appendChild($newText);
echo "Content 3: ".$node->textContent."\n";
$node->removeChild($node->firstChild);
$node->appendChild($newText);
echo "Content 4: ".$node->textContent."\n";
?>
The output is:
Content 1: old content // starting content
Content 2: old content // trying to replace overwriting $node->textContent
Content 3: old contentnew content // simply appending the new text node
Content 4: new content // removing firstchild before appending the new text node
If you want to have a CDATA section, use this:
<?php
$doc = DOMDocument::loadXML('<node>old content</node>');
$node = $doc->getElementsByTagName('node')->item(0);
$node->removeChild($node->firstChild);
$newText = $doc->createCDATASection('new cdata content');
$node->appendChild($newText);
echo "Content withCDATA: ".$doc->saveXML($node)."\n";
?>For clarification:
The assumingly 'discoverd' by previous posters and seemingly undocumented methods (.getElementsByTagName and .getAttribute) on this class (DOMNode) are in fact methods of the class DOMElement, which inherits from DOMNode.
See: http://www.php.net/manual/en/class.domelement.phpThis class apparently also has a getElementsByTagName method.
I was able to confirm this by evaluating the output from DOMNodeList->item() against various tests with the is_a() function.This class has a getAttribute method.
Assume that a DOMNode object $ref contained an anchor taken out of a DOMNode List. Then
$url = $ref->getAttribute('href');
would isolate the url associated with the href part of the anchor.The issues around mixed content took me some experimentation to remember, so I thought I'd add this note to save others time.
When your markup is something like: <div><p>First text.</p><ul><li><p>First bullet</p></li></ul></div>, you'll get XML_ELEMENT_NODEs that are quite regular. The <div> has children <p> and <ul> and the nodeValue for both <p>s yields the text you expect.
But when your markup is more like <p>This is <b>bold</b> and this is <i>italic</i>.</p>, you realize that the nodeValue for XML_ELEMENT_NODEs is not reliable. In this case, you need to look at the <p>'s child nodes. For this example, the <p> has children: #text, <b>, #text, <i>, #text.
In this example, the nodeValue of <b> and <i> is the same as their #text children. But you could have markup like: <p>This <b>is bold and <i>bold italic</i></b>, you see?</p>. In this case, you need to look at the children of <b>, which will be #text, <i>, because the nodeValue of <b> will not be sufficient.
XML_TEXT_NODEs have no children and are always named '#text'. Depending on how whitespace is handled, your tree may have "empty" #text nodes as children of <body> and elsewhere.
Attributes are nodes, but I had forgotten that they are not in the tree expressed by childNodes. Walking the full tree using childNodes will not visit any attribute nodes.Just discovered that node->nodeValue strips out all the tagsYet another DOMNode to php array conversion function.
Other ones on this page are generating too "complex" arrays; this one should keep the array as tidy as possible.
Note: make sure to set LIBXML_NOBLANKS when calling DOMDocument::load, loadXML or loadHTML
See: http://be2.php.net/manual/en/libxml.constants.php
See: http://be2.php.net/manual/en/domdocument.loadxml.php
<?php
/**
* Returns an array representation of a DOMNode
* Note, make sure to use the LIBXML_NOBLANKS flag when loading XML into the DOMDocument
* @param DOMDocument $dom
* @param DOMNode $node
* @return array
*/
function nodeToArray( $dom, $node) {
if(!is_a( $dom, 'DOMDocument' ) || !is_a( $node, 'DOMNode' )) {
return false;
}
$array = false;
if( empty( trim( $node->localName ))) {// Discard empty nodes
return false;
}
if( XML_TEXT_NODE == $node->nodeType ) {
return $node->nodeValue;
}
foreach ($node->attributes as $attr) {
$array['@'.$attr->localName] = $attr->nodeValue;
}
foreach ($node->childNodes as $childNode) {
if ( 1 == $childNode->childNodes->length && XML_TEXT_NODE == $childNode->firstChild->nodeType ) {
$array[$childNode->localName] = $childNode->nodeValue;
} else {
if( false !== ($a = self::nodeToArray( $dom, $childNode))) {
$array[$childNode->localName] = $a;
}
}
}
return $array;
}
?>In response to: alastair dot dallas at gmail dot com about "#text" nodes.
"#text" nodes appear when there are spaces or new lines between end tag and next initial tag.
Eg "<data><age>10</age>[SPACES]<other>20</other>[SPACES]</data>"
"data" childNodes has 4 childs:
- age = 10
- #text = spaces
- other = 20
- #text = spacesAnd apparently also a setAttribute method too:
$node->setAttribute( 'attrName' , 'value' );Here is a little function that truncates a DomNode to a specified number of text characters. I use it to generate HTML excerpts for my blog entries.
<?php
function makehtmlexcerpt(DomNode $html, $excerptlength)
{
$remove = 0;
$htmllength = strlen(html_entity_decode($html->textContent, ENT_QUOTES, 'UTF-8'));
$truncate = $htmllength - $excerptlength;
if($htmllength > $excerptlength)
{
if($html->hasChildNodes())
{
$children = $html->childNodes;
for($counter = 0; $counter < $children->length; $counter ++)
{
$child = $children->item($children->length - ($counter + 1));
$childlength = strlen(html_entity_decode($child->textContent, ENT_QUOTES, 'UTF-8'));
if($childlength <= $truncate)
{
$remove ++;
$truncate = $truncate - $childlength;
}
else
{
$child = makehtmlexcerpt($child, $childlength - $truncate);
break;
}
}
if($remove != 0)
{
for($counter = 0; $counter < $remove; $counter ++)
{
$html->removeChild($html->lastChild);
}
}
}
else
{
if($html->nodeName == '#text')
{
$html->nodeValue = substr(html_entity_decode($html->nodeValue, ENT_QUOTES, 'UTF-8'), 0, $htmllength - $truncate);
}
}
}
return $html;
}
?>It would be helpful if docs for concrete properties mentioned readonly status of some properties:
"
ownerDocument
The DOMDocument object associated with this node.
"A function that can set the inner HTML without encoding error. $html can be broken content such as "<a ID=id20>ssss"
function setInnerHTML($node, $html) {
removeChildren($node);
if (empty($html)) {
return;
}
$doc = $node->ownerDocument;
$htmlclip = new DOMDocument();
$htmlclip->loadHTML('<meta http-equiv="Content-Type" content="text/html;charset=utf-8"><div>' . $html . '</div>');
$clipNode = $doc->importNode($htmlclip->documentElement->lastChild->firstChild, true);
while ($item = $clipNode->firstChild) {
$node->appendChild($item);
}
}