(PHP 5 >= 5.1.0, PHP 7)
Return current key
public mixed SimpleXMLIterator::key ( void )
This method gets the XML tag name of the current element.
Returns:
Returns the XML tag name of the element referenced by the current SimpleXMLIterator object or FALSE
Examples:
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());
?>
The above example will output:
bool(false) string(4) "book"
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