PHP | SimpleXMLIterator key() Function

PHP | SimpleXMLIterator key() Function

Last Updated : 29 Aug, 2019

The SimpleXMLIterator::key() function is an inbuilt function in PHP which is used to return the key of current element. Syntax:

mixed SimpleXMLIterator::key( void )

Parameters: This function does not accept any parameters. Return Value: This function returns the XML tag name of the element SimpleXMLIterator object on success or FALSE on failure. Below program illustrates the SimpleXMLIterator::key() function in PHP: Program:

php

<?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.key.php

PHP | SimpleXMLIterator key() Function

J

jit_t

Improve

Article Tags :

Similar Reads

PHP | SimpleXMLIterator next() Function

The SimpleXMLIterator::next() function is an inbuilt function in PHP which is used to move the SimpleXMLIterator element to the next element. Syntax: void SimpleXMLIterator::next( void ) Parameters: This function does not accept any parameters. Return Value: This function does not return any value.

PHP | SimpleXMLIterator valid() Function

The SimpleXMLIterator::valid() function is an inbuilt function in PHP which is used to check the current element is valid or not. Syntax: bool SimpleXMLIterator::valid( void ) Parameters: This function does not accept any parameters. Return Value: This function returns TRUE if the current element is

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. B

PHP | SimpleXMLIterator getChildren() Function

The SimpleXMLIterator::getChildren() function is an inbuilt function in PHP which is used to return the SimpleXMLIterator object containing sub-elements of the current element. Syntax: SimpleXMLIterator SimpleXMLIterator::getChildren( void ) Parameters: This function does not accepts any parameters.

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 f