function RouteMatch::getParameterNames

Returns the names of all parameters for the currently matched route.

Return value

array Route parameter names as both the keys and values.

File

core/lib/Drupal/Core/Routing/RouteMatch.php, line 142

Class

RouteMatch

Default object representing the results of routing.

Namespace

Code

protected function getParameterNames() {
    $names = [];
    if ($route = $this->getRouteObject()) {
        // Variables defined in path and host patterns are route parameters.
        $variables = $route->compile()
            ->getVariables();
        $names = array_combine($variables, $variables);
        // Route defaults that do not start with a leading "_" are also
        // parameters, even if they are not included in path or host patterns.
        foreach ($route->getDefaults() as $name => $value) {
            if (!isset($names[$name]) && substr($name, 0, 1) !== '_') {
                $names[$name] = $name;
            }
        }
    }
    return $names;
}