DOM (Document Object Model) Module

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∟DOM (Document Object Model) Module

This section describes what is DOM (Document Object Model) Module, which allows you to parse XML and HEML documents.

What Is DOM (Document Object Model) Module? - DOM module, also called DOM Extenstion allows you to operate on XML or HTML documents through the DOM (Document Object Model) API with PHP. Zip Module was introduced in PHP 5 and requires the libxml module, which is based the libxml C library.

DOM module is included in most PHP distribution packages. On some versions, you may need to enable it explicitly in the php.ini configuration file using one of the following settings:

extension=dom
extension=dom.so
extension=php_domxml.dll

Here is list of some classes and methods provided in DOM module:

$doc = new DOMDocument(): Creates an new and empty DOM object.
$doc->loadHTML($html): Parses an HTML document from the given string into this DOM object.
$node = $doc: Uses a DOMDocument object as a DOMNode object.
$node->nodeName: Is the name of the node: element name, attribute name, #document, #text, or #comment.
$node->nodeValue: Is the concatenation of all text contents in the node.
$node->nodeType: Is the node type code.
$node->attributes: Is a list of nodes representing attributes of the node.
$node->childNodes: Is a list of nodes representing child nodes of the node.
$element = $doc->createElement(): Creates a new DOMElement object.
$text = $doc->createTextNode(): Creates a new DOMText object.
$node->appendChild(): Inserts a child node into the current node.
$element->setAttribute(): Adds new attribute into an element.
$doc->saveHTML(): Dumps this DOMDocument object into an HTML document string.
$element->getElementsByTagName(): Returns a DOMNodeList object representing all descendant child elements that match the given tag name.