Fix File

• /home/sportsfe.../httpdocs/wp-conte.../plugins/accelera.../includes/vendor/tool/Dom

• File: NodeWalker.php

• Content:

<?php

namespace AmpProject\Dom;

use DOMNode;

/**
 * Walk a hierarchical tree of nodes in a sequential manner.
 *
 * @package ampproject/amp-toolbox
 */
final class NodeWalker
{

/**
     * Depth-first walk through the DOM tree.
     *
     * @param DOMNode $node Node to start walking from.
     * @return DOMNode|null Next node, or null if none found.
     */
    public static function nextNode(DOMNode $node)
    {
        // Walk downwards if there are children.
        if ($node->firstChild) {
            return $node->firstChild;
        }

// Return direct sibling or walk upwards until we find a node with a sibling.
        while ($node) {
            if ($node->nextSibling) {
                return $node->nextSibling;
            }

$node = $node->parentNode;
        }

// Out of nodes, so we're done.
        return null;
    }

/**
     * Skip the subtree that is descending from the provided node.
     *
     * @param DOMNode $node Node to skip the subtree of.
     * @return DOMNode|null The appropriate "next" node that will skip the current subtree, null if none found.
     */
    public static function skipNodeAndChildren(DOMNode $node)
    {
        if ($node->nextSibling) {
            return $node->nextSibling;
        }

if ($node->parentNode === null) {
            return null;
        }

return self::skipNodeAndChildren($node->parentNode);
    }
}

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