Elgg\ViewsService::renderView PHP Метод

    public function renderView($view, array $vars = [], $ignored = false, $viewtype = '', $issue_missing_notice = true)
    {
        $view = $this->canonicalizeViewName($view);
        if (!is_string($view) || !is_string($viewtype)) {
            $this->logger->log("View and Viewtype in views must be a strings: {$view}", 'NOTICE');
            return '';
        }
        // basic checking for bad paths
        if (strpos($view, '..') !== false) {
            return '';
        }
        if (!is_array($vars)) {
            $this->logger->log("Vars in views must be an array: {$view}", 'ERROR');
            $vars = array();
        }
        // Get the current viewtype
        if ($viewtype === '' || !_elgg_is_valid_viewtype($viewtype)) {
            $viewtype = elgg_get_viewtype();
        }
        // allow altering $vars
        $vars_hook_params = ['view' => $view, 'vars' => $vars, 'viewtype' => $viewtype];
        $vars = $this->hooks->trigger(self::VIEW_VARS_HOOK, $view, $vars_hook_params, $vars);
        // allow $vars to hijack output
        if (isset($vars[self::OUTPUT_KEY])) {
            return (string) $vars[self::OUTPUT_KEY];
        }
        $view_orig = $view;
        $viewlist = $this->getViewList($view);
        $content = '';
        foreach ($viewlist as $view) {
            $rendering = $this->renderViewFile($view, $vars, $viewtype, $issue_missing_notice);
            if ($rendering !== false) {
                $content .= $rendering;
                continue;
            }
            // attempt to load default view
            if ($viewtype !== 'default' && $this->doesViewtypeFallback($viewtype)) {
                $rendering = $this->renderViewFile($view, $vars, 'default', $issue_missing_notice);
                if ($rendering !== false) {
                    $content .= $rendering;
                }
            }
        }
        // Plugin hook
        $params = ['view' => $view_orig, 'vars' => $vars, 'viewtype' => $viewtype];
        $content = $this->hooks->trigger(self::VIEW_HOOK, $view_orig, $params, $content);
        return $content;
    }

 public function testCanAlterViewOutput()
 {
     $this->hooks->registerHandler('view', 'js/interpreted.js', function ($h, $t, $v, $p) {
         return '// Hello';
     });
     $this->assertEquals("// Hello", $this->views->renderView('js/interpreted.js'));
 }