PHP | SimpleXMLIterator rewind() Function

The SimpleXMLIterator::rewind() function is an inbuilt function in PHP which is used to rewind the SimpleXMLIterator to the first element.

Syntax:

void SimpleXMLIterator::rewind( void )

Parameters: This function does not accept any parameters.



Return Value: This function does not return any value.

Below programs illustrate the SimpleXMLIterator::rewind() function in PHP:

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// Store the xml element to variable
$xml = <<<XML
    <organization>
        <name>GeeksforGeeks</name>
        <address>Noida India</address>
        <contact>
            <email>abc@geeksforgeeks.org</email>
            <mobile>+91-987654321</mobile>
        </contact>
    </organization>
XML;
  
$xmlIt = new SimpleXMLIterator($xml);
  
// Use rewind() function to rewind
// to the first element
$xmlIt->rewind();
  
// Use next() functin to move to the
// next element
$xmlIt->next();
$xmlIt->next();
  
// Display result
var_dump($xmlIt->current());
  
?>

chevron_right


Output:

object(SimpleXMLIterator)#2 (2) {
  ["email"]=>
  string(21) "abc@geeksforgeeks.org"
  ["mobile"]=>
  string(13) "+91-987654321"
}

Program 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// Store the xml element to variable
$xml = <<<XML
    <organization>
        <name>GeeksforGeeks</name>
        <address>Noida India</address>
        <contact>
            <email>abc@geeksforgeeks.org</email>
            <mobile>+91-987654321</mobile>
        </contact>
    </organization>
XML;
  
$xmlIt = new SimpleXMLIterator($xml);
  
// Loop starts from first element of xml and 
// run upto when elements are not valid
for( $xmlIt->rewind(); $xmlIt->valid(); $xmlIt->next() ) {
      
    var_dump($xmlIt->key());
}
  
?>

chevron_right


Output:

string(4) "name"
string(7) "address"
string(7) "contact"

Reference: https://www.php.net/manual/en/simplexmliterator.rewind.php



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.