public TitleResolver::getTitle(Request $request, Route $route)
Returns a static or dynamic title for the route.
If the returned title can contain HTML that should not be escaped it should return a render array, for example:
['#markup' => 'title', '#allowed_tags' => ['em']]
If the method returns a string and it is not marked safe then it will be auto-escaped.
Parameters
\Symfony\Component\HttpFoundation\Request $request: The request object passed to the title callback.
\Symfony\Component\Routing\Route $route: The route information of the route to fetch the title.
Return value
array|string|null The title for the route.
Overrides TitleResolverInterface::getTitle
File
- core/lib/Drupal/Core/Controller/TitleResolver.php, line 39
Class
- TitleResolver
- Provides the default implementation of the title resolver interface.
Namespace
Drupal\Core\Controller
Code
public function getTitle(Request $request, Route $route) {
$route_title = NULL;
// A dynamic title takes priority. Route::getDefault() returns NULL if the
// named default is not set. By testing the value directly, we also avoid
// trying to use empty values.
if ($callback = $route->getDefault('_title_callback')) {
$callable = $this->controllerResolver->getControllerFromDefinition($callback);
$arguments = $this->controllerResolver->getArguments($request, $callable);
$route_title = call_user_func_array($callable, $arguments);
}
elseif ($title = $route->getDefault('_title')) {
$options = array();
if ($context = $route->getDefault('_title_context')) {
$options['context'] = $context;
}
$args = array();
if (($raw_parameters = $request->attributes->get('_raw_variables'))) {
foreach ($raw_parameters->all() as $key => $value) {
$args['@' . $key] = $value;
$args['%' . $key] = $value;
}
}
if ($title_arguments = $route->getDefault('_title_arguments')) {
$args = array_merge($args, (array) $title_arguments);
}
// Fall back to a static string from the route.
$route_title = $this->t($title, $args, $options);
}
return $route_title;
}
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