php7 클로져 사용하기

<?php
/**d,0c ./. ;.l;. ㅣ;'/,.
* closer.php
*
*
* @since 2018. 6. 13.
* @version 1.0
*/

class App
{
protected $routes = array();
protected $responseStatus = '200 ok';
protected $responseContentType = 'text/html';
protected $responseBody = 'Hello world';

public function addRoute($routePath, $routeCallBack)
{
$this->routes[$routePath] = $routeCallBack->bindTo($this,__CLASS__);
}

public function dispatch($currentPath)
{
//print_r($currentPath);
foreach ( $this->routes as $routePath => $callback) {
echo $routePath;
echo $currentPath;
if ( $routePath === $currentPath) {
$callback(); // 콜백 함수
}
}

echo $this->responseBody;
}
}

$app = new App();

$app->addRoute('/user/josh', function(){
$this->reponseContentType = 'apllcation/json;charset=utf8';
$this->responseBody = '{"name": "Josh"}';
});

$app->dispatch('/user/josh');