Guard Clause

InitialCode.php

<?php

public function markActiveNode($navigation, $currentUrl)
{
    if(!empty($navigation['nodes']) && is_array($navigation['nodes']) {
        foreach ($navigation['nodes'] as $node) {
            $node['isActive'] = false;
            if(!empty($node['url'])) {
                if($node['isVisible']) {
                    $node['isActive'] = ($node['url'] === $currentUrl);
                }
            }
        }
    }
    
    return $navigation;
}