SimpleXMLIterator::key

(PHP 5, PHP 7)

SimpleXMLIterator::keyReturn current key

Beschreibung

public mixed SimpleXMLIterator::key ( void )

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

Parameter-Liste

Diese Funktion hat keine Parameter.

R├╝ckgabewerte

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

Beispiele

Beispiel #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());

?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

bool(false)
string(4) "book"

add a note add a note

User Contributed Notes 1 note

up
3
bmafzallmahmud at gmail dot com
4 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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