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<?php
namespace XHGui;
use Slim\Slim as App;
abstract class AbstractController
{
/**
* @var array
*/
protected $_templateVars = [];
* @var string|null
protected $_template = null;
* @var App
protected $app;
public function __construct(App $app)
$this->app = $app;
}
public function set($vars)
$this->_templateVars = array_merge($this->_templateVars, $vars);
public function templateVars()
return $this->_templateVars;
public function render()
// We want to render the specified Twig template to the output buffer.
// The simplest way to do that is Slim::render, but that is not allowed
// in middleware, because it uses Slim\View::display which prints
// directly to the native PHP output buffer.
// Doing that is problematic, because the HTTP headers set via $app->response()
// must be output first, which won't happen until after the middleware
// is completed. Output of headers and body is done by the Slim::run entry point.
// The below is copied from Slim::render (slim/[email protected]).
// Modified to use View::fetch + Response::write, instead of View::display.
$this->app->view->appendData($this->_templateVars);
$body = $this->app->view->fetch($this->_template);
$this->app->response->write($body);
protected function config(string $key)
return $this->app->config($key);
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