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."; } } ?> |
Output:
No, id attribute is not there.
Reference: https://www.php.net/manual/en/domnode.hasattributes.php
