DOMNode::appendChild

(PHP 5, PHP 7)

DOMNode::appendChild — Adds new child at the end of the children

说明

public DOMNode::appendChild ( DOMNode $newnode ) : DOMNode

This function appends a child to an existing list of children or creates a new list of children. The child can be created with e.g. DOMDocument::createElement(), DOMDocument::createTextNode() etc. or simply by using any other node.

参数

newnode

The appended child.

返回值

The node added.

错误／异常

DOM_NO_MODIFICATION_ALLOWED_ERR

Raised if this node is readonly or if the previous parent of the node being inserted is readonly.

DOM_HIERARCHY_REQUEST_ERR

Raised if this node is of a type that does not allow children of the type of the newnode node, or if the node to append is one of this node's ancestors or this node itself.

DOM_WRONG_DOCUMENT_ERR

Raised if newnode was created from a different document than the one that created this node.

范例

The following example will add a new element node to a fresh document.

Example #1 Adding a child

<?php

$doc = new DOMDocument;

$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);

echo $doc->saveXML();
?>

Example #2 Nested children

<?php

$doc = new DOMDocument;

$headNode = $doc->createElement("head");
$doc->appendChild($headNode);

$titleNode = $doc->createElement("title");
$headNode->appendChild($titleNode);

echo $doc->saveXML();
?>

参见

相关文章
php domelement adds new attributephp domelement adds new attribute node to elementphp domnode adds new child at the end of the childrenphp domnode adds a new child before a reference nodephp domnode removes child from list of childrenphp domnode replaces a childphp vector adds values to the end of the vectorphp classkit 函数 dynamically adds a new method to a given classphp newt 函数 adds new item to the checkbox treephp gmagick adds new image to gmagick object image listphp quickhashinthash this method updates an entry in the hash with a new value or adds a new one if the entry doesn t existphp quickhashintset this method adds a new entry to the setphp quickhashstringinthash this method updates an entry in the hash with a new value or adds a new one if the entry doesn t existphp solrinputdocument adds a child document for block indexingphp solrinputdocument adds an array of child documentsphp spldoublylinkedlist add/insert a new value at the specified indexphp spldoublylinkedlist pushes an element at the end of the doubly linked listphp splfixedarray sets a new value at a specified indexphp swoole buffer append the string or binary data at the end of the memory buffer and return the new size of memory allocated.php swoole server delay execution of the callback function at the end of current eventloop.
关注编程学问公众号