PHP | SimpleXMLIterator hasChildren() Function

The SimpleXMLIterator::hasChildren() function is an inbuilt function in PHP which is used to check whether the current SimpleXMLIterator element has sub-elements or not.

Syntax:

bool SimpleXMLIterator::hasChildren( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns TRUE if the current element has sub-elements, FALSE otherwise.

Below program illustrates the SimpleXMLIterator::hasChildren() function in PHP:

Program:

<?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() ) {

    if($xmlIt->hasChildren()) {
        print_r($xmlIt->current());
    }
}

?>

Output:

SimpleXMLIterator Object
(
    [email] => abc@geeksforgeeks.org
    [mobile] => +91-987654321
)

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