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PHP | DOMNode hasChildNodes() function
  • Last Updated : 02 Mar, 2020

The DOMNode::hasChildNodes() function is an inbuilt function in PHP which is used to check if node has children or not.

Syntax:

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.";
}
?>

Output:

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.";
}
?>

Output:

No, child nodes are not there.

Reference: https://www.php.net/manual/en/domnode.haschildnodes.php

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