回调函数
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($currentPath)
{
foreach ($this->routes as $routePath => $callback) {
if ($routePath == $currentPath) {
$callback();
}
}
header('HTTP/1.1'. $this->responseStatus);
header('Content-type' . $this->responseContentType);
header('Content-length' . $this->responseBody);
echo $this->responseBody;
}
}
$app = new App();
$app->addRoute('/users/josh', function () {
$this->responseContentType = 'application/json; charset=utf8';
$this->responseBody = '{"name" : "yee Jason"}';
});
$app->dispatch('/users/josh');
