SimpleXMLIterator::key

(PHP 5 >= 5.1.0, PHP 7)

SimpleXMLIterator::key — Return current key

Descrição

public mixed SimpleXMLIterator::key ( void )

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

Parâmetros

Esta função não possui parâmetros.

Valor Retornado

Returns the XML tag name of the element referenced by the current SimpleXMLIterator object or FALSE

Exemplos

Exemplo #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());

?>

O exemplo acima irá imprimir:

bool(false)
string(4) "book"