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:
<?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() function to move to the // next element $xmlIt ->next();
$xmlIt ->next();
// Display result var_dump( $xmlIt ->current());
?> |
Output:
object(SimpleXMLIterator)#2 (2) { ["email"]=> string(21) "abc@geeksforgeeks.org" ["mobile"]=> string(13) "+91-987654321" }
Program 2:
<?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());
} ?> |
Output:
string(4) "name" string(7) "address" string(7) "contact"
Reference: https://www.php.net/manual/en/simplexmliterator.rewind.php