PHP | DOMNode hasChildNodes() function

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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', 'zambiatek!'); 
  
// 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."; 
} 
?> 