The DOMNode::hasChildNodes() function is an inbuilt function in PHP which is used to check if node has children or not.
Syntax:
php
Output:
php
Output:
bool DOMNode::hasChildNodes( void )Parameters:This function doesn’t accept any parameter. Return Value: This function returns TRUE on success or FALSE on failure. Below given programs illustrate the DOMNode::hasChildNodes() function in PHP: Program 1:
<?php
// Create a new DOMDocument
$dom = new DOMDocument();
// Create a paragraph element
$element = $dom->createElement('p', 'GeeksforGeeks!');
// Append the child
$dom->appendChild($element);
// Check if child nodes are there
if ($dom->hasChildNodes()) {
echo "Yes, child nodes are there.";
}
?>
Yes, child nodes are there.Program 2:
<?php
// Create a new DOMDocument instance and keep it empty
$dom = new DOMDocument();
// Check if child nodes are not there
if (!$dom->hasChildNodes()) {
echo "No, child nodes are not there.";
}
?>
No, child nodes are not there.Reference: https://www.php.net/manual/en/domnode.haschildnodes.php