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    DOMCharacterData::before

    (PHP 8)

    DOMCharacterData::before — Adds nodes before the node

    Açıklama

    public DOMCharacterData::before(DOMNode|string ...$nodes): void

    Adds the passed nodes before the node.

    Bağımsız Değişkenler

    nodes

    Nodes to be added before the node. Strings are automatically converted to text nodes.

    Dönen Değerler

    Hiçbir değer dönmez.

    Hatalar/İstisnalar

    DOM_HIERARCHY_REQUEST_ERR

    Raised if the parent is of a type that does not allow children of the type of one of the passed nodes, or if the node to put in is one of this node's ancestors or this node itself.

    DOM_WRONG_DOCUMENT_ERR

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

    Sürüm Bilgisi

    Sürüm: Açıklama
    8.3.0 Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.

    Örnekler

    Örnek 1 DOMCharacterData::before() example

    Adds nodes before the character data.

    <?php
    $doc     = new DOMDocument;
    $doc->loadXML("<container><![CDATA[world]]></container>");
    $cdata = $doc->documentElement->firstChild;

    $cdata->before("hello", $doc->createElement("beautiful"));

    echo     $doc->saveXML();
    ?>

    Yukarıdaki örneğin çıktısı:

    <?xml version="1.0"?>
<container>hello<beautiful/><![CDATA[world]]></container>

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