yii\rest\UrlRule::createUrl PHP Method

    public function createUrl($manager, $route, $params)
    {
        foreach ($this->controller as $urlName => $controller) {
            if (strpos($route, $controller) !== false) {
                foreach ($this->rules[$urlName] as $rule) {
                    /* @var $rule \yii\web\UrlRule */
                    if (($url = $rule->createUrl($manager, $route, $params)) !== false) {
                        return $url;
                    }
                }
            }
        }
        return false;
    }