DOMNode::appendChild

(PHP 5, PHP 7, PHP 8)

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

Опис

public DOMNode::appendChild(DOMNode $node): DOMNode|false

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.

When using an existing node it will be moved.

Параметри

node

The appended child.

Значення, що повертаються

The node added or false on error.

Помилки/виключення

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 node node, or if the node to append is one of this node's ancestors or this node itself.

DOM_WRONG_DOCUMENT_ERR

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

Приклади

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

Приклад #1 Adding a child

<?php

$doc
= new DOMDocument;

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

echo
$doc->saveXML();
?>

Приклад #2 Nested children

<?php

$doc
= new DOMDocument;

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

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

echo
$doc->saveXML();
?>

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