SimpleXMLIterator::key

(PHP 5 >= 5.1.0)

SimpleXMLIterator::keyReturn current key

Descrizione

public mixed SimpleXMLIterator::key ( void )

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

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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

Esempi

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());

?>

Il precedente esempio visualizzerĂ :

bool(false)
string(4) "book"

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User Contributed Notes 1 note

up
3
bmafzallmahmud at gmail dot com
5 months ago
<?php
$note
=<<<XML
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
XML;

$xmlIterator = new SimpleXMLIterator($note);
for(
$xmlIterator->rewind(); $xmlIterator->valid(); $xmlIterator->next() ) {
      echo
"<pre>";
     echo
var_dump($xmlIterator->key());

}
?>
out put :
string(2) "to"
string(4) "from"
string(7) "heading"
string(4) "body"
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