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    SimpleXMLElement::key

    (No version information available, might only be in Git)

    SimpleXMLElement::key — Return current key

    Açıklama

    public SimpleXMLElement::key(): string
    Uyarı

    Prior to PHP 8.0, SimpleXMLElement::key() was only declared on the subclass SimpleXMLIterator.

    This method gets the XML tag name of the current element.

    Bağımsız Değişkenler

    Bu işlevin bağımsız değişkeni yoktur.

    Dönen Değerler

    Returns the XML tag name of the element referenced by the current SimpleXMLElement object.

    Hatalar/İstisnalar

    Throws an Error on failure.

    Sürüm Bilgisi

    Sürüm: Açıklama
    8.1.0 An Error is now thrown if SimpleXMLElement::key() is called on an invalid iterator. Previously, false was returned.

    Örnekler

    Örnek 1 Get the current XML tag key

    <?php
    $xmlElement     = new SimpleXMLElement('<books><book>PHP basics</book><book>XML basics</book></books>');

    echo     var_dump($xmlElement->key());
    $xmlElement->rewind(); // rewind to the first element
    echo var_dump($xmlElement->key());

    ?>

    Yukarıdaki örneğin çıktısı:

    bool(false)
string(4) "book"

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