function EntityRevisionRouteEnhancer::enhance

Overrides EnhancerInterface::enhance

File

core/lib/Drupal/Core/Routing/Enhancer/EntityRevisionRouteEnhancer.php, line 37

Class

EntityRevisionRouteEnhancer

Adds _entity_revision to the request attributes, if possible.

Namespace

Code

public function enhance(array $defaults, Request $request) {
    
    /** @var \Symfony\Component\Routing\Route $route */
    $route = $defaults[RouteObjectInterface::ROUTE_OBJECT];
    if (!$this->applies($route)) {
        return $defaults;
    }
    $options = $route->getOptions();
    if (isset($options['parameters'])) {
        foreach ($options['parameters'] as $name => $details) {
            if (!empty($details['type']) && strpos($details['type'], 'entity_revision:') !== FALSE) {
                $defaults['_entity_revision'] = $defaults[$name];
                break;
            }
        }
    }
    return $defaults;
}