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    DOMElement::prepend

    (PHP 8)

    DOMElement::prepend — Prepends nodes before the first child node

    Descripción

    public DOMElement::prepend(DOMNode|string ...$nodes): void

    Prepends one or many nodes to the list of children before the first child node.

    Parámetros

    nodes

    The nodes to prepend. Strings are automatically converted to text nodes.

    Valores devueltos

    No devuelve ningún valor.

    Errores/Excepciones

    DOM_HIERARCHY_REQUEST_ERR

    Raised if this node 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.

    Historial de cambios

    Versión Descripción
    8.3.0 Calling this method on a node without an owner document now works. Previously this threw a DOMException with code DOM_HIERARCHY_REQUEST_ERR.

    Ejemplos

    Ejemplo #1 DOMElement::prepend() example

    Prepends nodes in the container element.

    <?php
    $doc     = new DOMDocument;
    $doc->loadXML("<container> world</container>");
    $world = $doc->documentElement;

    $world->prepend($doc->createElement("hello"), "beautiful");

    echo     $doc->saveXML();
    ?>

    El resultado del ejemplo sería:

    <?xml version="1.0"?>
<container><hello/>beautiful world</container>

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