PHP key() Function

Example

Rewind to the first element and return the current key (which is the XML tag name of the current element):

<?php
$note=<<<XML
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Do not forget me this weekend!</body>
</note>
XML;

$xml = new SimpleXMLIterator($note);

// rewind to the first element
$xml->rewind();

// return current key
var_dump($xml->key());
?>

Run Example »

Definition and Usage

The key() function returns the current key (which is the XML tag name of the current element).

Syntax

SimpleXMLIterator::key()

Technical Details

Return Value:	The XML tag name of the current element on success. FALSE otherwise
PHP Version:	5.0+

❮ PHP SimpleXML Reference