PHP | DOMNode hasAttributes() Function

<?php
 
// Create a new DOMDocument
$dom = new DOMDocument();
  
// Create a paragraph element
$element = $dom->createElement('p',
      'This is the paragraph element!');
 
// Set the attribute
$element->setAttribute('id', 'my_id');
 
// Append the child
$dom->appendChild($element);
  
// Get the elements
$nodeList = $dom->getElementsByTagName('p');
foreach ($nodeList as $node) {
    if($node->hasAttribute('id')) {
        echo "Yes, id attribute is there.";
    }
}
?>

<?php

// Create a new DOMDocument
$dom = new DOMDocument();
 
// Create a paragraph element
$element = $dom->createElement('p', 
         'This is the paragraph element!');

// Set the attribute
$element->setAttribute('class', 'my_class');

// Append the child
$dom->appendChild($element);
 
// Get the elements
$nodeList = $dom->getElementsByTagName('p');
foreach ($nodeList as $node) {
    if(!$node->hasAttribute('id')) {
        echo "No, id attribute is not there.";
    }
}
?>