SimpleXMLIterator
PHP Manual

SimpleXMLIterator::key

(PHP 5 >= 5.1.0)

SimpleXMLIterator::keyReturn current key

Описание

mixed SimpleXMLIterator::key ( void )

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

Параметри

Тази функция няма параметри.

Връщани стойности

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

Примери

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());

?>

Примерът по-горе ще изведе:

bool(false)
string(4) "book"


SimpleXMLIterator
PHP Manual