PHP | DOMNode hasAttributes() Function

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

Syntax:

bool DOMNode::hasAttributes( void )

Parameters: This function doesn’t accept any parameters.

Return Value: This function returns TRUE on success or FALSE on failure.

Below examples illustrate the DOMNode::hasAttributes() function in PHP:

Example 1:

<?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."; 
    } 
} 
?> 

Output:

Yes, id attribute is there.

Example 2:

<?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."; 
    } 
} 
?> 