DOMNode::appendChild
(PHP 5, PHP 7, PHP 8)
DOMNode::appendChild — Adds new child at the end of the children
說明
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.
參數
-
node -
The appended child.
返回值
The node added.
錯誤／異常
-
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
nodenode, or if the node to append is one of this node's ancestors or this node itself. -
DOM_WRONG_DOCUMENT_ERR -
Raised if
nodewas created from a different document than the one that created this node.
範例
The following example will add a new element node to a fresh document.
示例 #1 Adding a child
<?php
$doc = new DOMDocument;
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
echo $doc->saveXML();
?>
示例 #2 Nested children
<?php
$doc = new DOMDocument;
$headNode = $doc->createElement("head");
$doc->appendChild($headNode);
$titleNode = $doc->createElement("title");
$headNode->appendChild($titleNode);
echo $doc->saveXML();
?>
參見
- DOMChildNode::after() - Adds nodes after the node
- DOMNode::insertBefore() - Adds a new child before a reference node
- DOMNode::removeChild() - Removes child from list of children
- DOMNode::replaceChild() - Replaces a child