SimpleXMLIterator::key

(PHP 5 >= 5.1.0)

SimpleXMLIterator::key — Return current key

Descripción

mixed SimpleXMLIterator::key ( void )

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

Lista de parámetros

This function has no parameters.

Valores retornados

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 seria:

bool(false)
string(4) "book"