(PHP 5, PHP 7, PHP 8)
SimpleXMLIterator::key — Return current key
This method gets the XML tag name of the current element.
Bu işlevin bağımsız değişkeni yoktur.
Returns the XML tag name of the element referenced by the current SimpleXMLIterator object or false
Örnek 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());
?>
Yukarıdaki örneğin çıktısı:
bool(false) string(4) "book"
<?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"
