PHP | DOMNode hasAttributes() Function

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

<?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

<?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.";
    }
}
?>

Output:

No, id attribute is not there.

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

PHP | DOMNode hasAttributes() Function

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