SimpleXMLIterator::key

(PHP 5 >= 5.1.0)

SimpleXMLIterator::key — Return current key

설명

mixed SimpleXMLIterator::key ( void )

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

인수

이 함수는 인수가 없습니다.

반환값

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

예제

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());

?>

위 예제의 출력:

bool(false)
string(4) "book"