PHP 7.4.22 Released!

SimpleXMLIterator::key

(PHP 5, PHP 7, PHP 8)

SimpleXMLIterator::keyReturn current key

Açıklama

public SimpleXMLIterator::key(): mixed

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

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

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

Örnekler

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"

add a note add a note

User Contributed Notes 1 note

up
3
bmafzallmahmud at gmail dot com
3 years 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"
To Top