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Editor to share with you how to get php dom elements, I believe that most people do not know much, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to understand it!

DOMDocument attribute:

List of attributes for Attributes storage nodes (read-only)

List of child nodes of childNodes storage nodes (read-only)

DataType returns the data type of this node

Definition of nodes given by Definition in DTD or XML mode (read-only)

Doctype specifies the document type node (read-only)

DocumentElement returns the root element of the document (readable and writable)

FirstChild returns the first child of the current node (read-only)

Implementation returns a XMLDOMImplementation object

LastChild returns the last child of the current node (read-only)

NextSibling returns the next sibling of the current node (read-only)

NodeName returns the name of the node (read-only)

NodeType returns the type of node (read-only)

NodeTypedValue storage node values (readable and writable)

NodeValue returns the text of the node (readable and writable)

OwnerDocument returns the root document containing this node (read-only)

ParentNode returns the parent node (read-only)

Parsed returns whether this node and its children have been resolved (read-only)

Prefix returns the namespace prefix (read-only)

PreserveWhiteSpace specifies whether to leave white space (readable and writable)

PreviousSibling returns the previous sibling of this node (read-only)

Text returns the text content of this node and its descendants (readable and writable)

Url returns the URL of the most recently loaded XML document (read-only)

Xml returns the XML representation of the node and its descendants (read-only)

DOMDocument method:

AppendChild adds a new child node to the current node, after the last child node

CloneNode returns a copy of the current node

CreateAttribute creates a new property

CreateCDATASection creates a CDATA segment that includes the given data

CreateComment creates a comment node

CreateDocumentFragment creates DocumentFragment object

CreateElement_x creates an element node

CreateEntityReference creates EntityReference object

CreateNode creates nodes of a given type, name, and namespace

CreatePorcessingInstruction create operation instruction node

CreateTextNode creates a text node that includes the given data

GetElementsByTagName returns a collection of elements with the specified name

HasChildNodes returns whether the current node has a child node

InsertBefore inserts a child node before the specified node

Load imports the XML document at the specified location

LoadXML imports the XML document of the specified string

RemoveChild removes the specified child node from the list of child nodes

ReplaceChild replaces the specified child node from the list of child nodes

Save saves the XML file to the specified node

SelectNodes matches the specified nodes and returns a list of matching nodes

SelectSingleNode matches the specified node and returns the first matching node

TransformNode uses the specified style sheet to transform nodes and their descendants

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