SimpleXMLIterator::hasChildrenSimpleXMLIterator::key
(PHP 5 >= 5.1.0)
SimpleXMLIterator::key — Return current key
Descripción
This method gets the XML tag name of the current element.
Parámetros
Esta función no tiene parámetros.
Valores devueltos
Returns the XML tag name of the element referenced by the current SimpleXMLIterator object or FALSE
Ejemplos
Example #1 Get the current XML tag key
<?php
$xmlIterator = new SimpleXMLIterator('<books><book>PHP basics</book><book>XML basics</book></books>');
echo var_dump($xmlIterator->key());
$xmlIterator->rewind(); // rewind to the first element
echo var_dump($xmlIterator->key());
?>
El resultado del ejemplo sería:
bool(false) string(4) "book"
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SimpleXMLIterator::key
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