function __construct()
{
$url = isset($_GET["url"]) ? $_GET["url"] : NULL;
$url = rtrim($url, '/');
$url = explode('/', $url);
if (empty($url[0]) || $url[0] == 'index.php') {
require 'controller/IndexController.php';
$controller = new IndexController();
$controller->index();
return FALSE;
}
$file = 'controller/' . $url[0] . 'Controller.php';
if (file_exists($file)) {
require $file;
} else {
require 'controller/ErrorController.php';
$error = new ErrorController();
$error->index();
return FALSE;
}
$controllerFullName = $url[0] . "Controller";
$controller = new $controllerFullName();
if (isset($url[2])) {
if (method_exists($controller, $url[1])) {
$controller->{$url[1]}($url[2]);
} else {
require 'controller/ErrorController.php';
$error = new ErrorController();
$error->index();
return FALSE;
}
} else {
if (isset($url[1])) {
if (method_exists($controller, $url[1])) {
$controller->{$url[1]}();
} else {
require 'controller/ErrorController.php';
$error = new ErrorController();
$error->index();
return FALSE;
}
} else {
$controller->index();
}
}
}
public function launch()
{
$controller = ucfirst($this->controller) . 'Controller';
if (class_exists($controller)) {
$controller = new $controller();
} else {
$controller = new ErrorController();
return $controller->index('404: ' . $this->controller . ' not found.');
}
if (!$controller->restful) {
$method = 'action_' . $this->method;
} else {
$method = strtolower($_SERVER['REQUEST_METHOD']) . "_" . $this->method;
}
if (method_exists($controller, $method)) {
return call_user_func_array(array($controller, $method), $this->args);
} else {
return $controller->index("404: Method " . str_replace('get_', '', "'{$method}' not exists."));
}
}
/**
* "Start" the application:
* Analyze the URL elements and calls the according controller/method or the fallback
*/
public function __construct()
{
// create array with URL parts in $url
$this->splitUrl();
// check for controller: no controller given ? then load start-page
if (!$this->url_controller) {
Home::index();
} elseif (file_exists(APP_PATH . 'controllers/' . $this->url_controller . '.php')) {
// here we did check for controller: does such a controller exist ?
// if so, then load this file and create this controller
// example: if controller would be "car", then this line would translate into: $this->car = new car();
$this->url_controller = new $this->url_controller();
// check for method: does such a method exist in the controller ?
if (method_exists($this->url_controller, $this->url_action)) {
if (!empty($this->url_params)) {
// Call the method and pass arguments to it
call_user_func_array(array($this->url_controller, $this->url_action), $this->url_params);
} else {
// If no parameters are given, just call the method without parameters, like $this->home->method();
$this->url_controller->{$this->url_action}();
}
} else {
if (strlen($this->url_action) == 0) {
// no action defined: call the default index() method of a selected controller
$this->url_controller->index();
} else {
// defined action not existent: show the error page
$page = new ErrorController();
$page->index();
}
}
} else {
$page = new ErrorController();
$page->index();
}
}
/**
* Configure everything, then call controller, then call view.
*
* @return void
*/
public function run()
{
session_start();
/* BASIC CONSTANTS */
// Root path on the server filesystem.
$root_path = rtrim(pathinfo($_SERVER['SCRIPT_FILENAME'], PATHINFO_DIRNAME), '/');
// Root URI for the site.
$proto = 'http://';
if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') {
$proto = 'https://';
}
$scr_dir = substr($_SERVER['SCRIPT_NAME'], 0, strrpos($_SERVER['SCRIPT_NAME'], '/'));
$scr_uri = $proto . $_SERVER['HTTP_HOST'] . $scr_dir;
$root_uri = rtrim($scr_uri, '/');
// Have those three available everywhere.
define('ROOT_PATH', $root_path);
define('DS', DIRECTORY_SEPARATOR);
define('ROOT_URI', $root_uri);
/* ROUTE IT */
$this->routes = new Routes();
// array url_elements is the main routing container. See bellow.
$url_info = substr($_SERVER['REQUEST_URI'], strlen($scr_dir));
// check for defined static routes
if (array_key_exists($url_info, $this->routes->static_routes)) {
$url_info = $this->routes->static_routes[$url_info];
}
$url_info = trim($url_info, '/');
$url_elements = explode('/', $url_info);
if ('index' == $url_elements[0] || 'index.php' == $url_elements[0]) {
array_shift($url_elements);
}
// Prefixed routes. Always lowercase.
$prefx = '';
if (!empty($url_elements[0])) {
if (in_array($url_elements[0], $this->routes->prefixes)) {
$prefx = array_shift($url_elements);
}
}
define('PREFIX', strtolower($prefx));
// Static pages
// No url parameters
$ctlr_name = !empty($url_elements[0]) ? $url_elements[0] : '';
// url parameter is among static pages
if (PREFIX == '') {
if (in_array($ctlr_name, $this->routes->static_pages)) {
array_unshift($url_elements, 'pages');
$ctlr_name = 'pages';
}
} else {
// static page in prefixed routes
if (array_key_exists(PREFIX, $this->routes->prefixes_with_stpages)) {
if (in_array($ctlr_name, $this->routes->prefixes_with_stpages[PREFIX]) || $ctlr_name == '') {
array_unshift($url_elements, 'pages');
$ctlr_name = 'pages';
}
}
}
$compl_ctlr_name = ucfirst($ctlr_name . 'Controller');
// default action is index
$action = isset($url_elements[1]) ? $url_elements[1] : 'index';
// ErrorController
require_once ROOT_PATH . DS . 'controllers' . DS . 'ErrorController.php';
$controller_path = DS . 'controllers' . DS;
if (PREFIX != '') {
$controller_path = DS . 'controllers' . DS . PREFIX . DS;
}
if (is_file(ROOT_PATH . $controller_path . $compl_ctlr_name . '.php')) {
require_once ROOT_PATH . $controller_path . $compl_ctlr_name . '.php';
} else {
$controller_path = DS . 'controllers' . DS;
$compl_ctlr_name = 'ErrorController';
$ctlr_name = 'error';
Out::flash('Controller not found');
}
// Accept json and xml extensions. Call _json, _xml.
if (strtolower(substr($action, -5)) == '.json') {
$action = str_replace('.json', '_json', $action);
}
if (strtolower(substr($action, -4)) == '.xml') {
$action = str_replace('.xml', '_xml', $action);
}
/* CONTROLLER */
// Start action
$ctlr = $compl_ctlr_name;
$this->controller = new $ctlr($this);
if (method_exists($this->controller, $action)) {
// Call method. Everything after method name, becomes a parameter.
call_user_func_array(array($this->controller, $action), array_slice($url_elements, 2));
} else {
$error_controller = new ErrorController($this);
$error_controller->index();
Out::flash('Action not found');
}
/* VIEW */
$this->view = new BaseView($this);
// Set default pg_name to be rendered.
if (empty($this->pg_name)) {
$this->pg_name = strtolower($ctlr_name) . DS . strtolower($action);
if (PREFIX != '') {
$this->pg_name = PREFIX . DS . $this->pg_name;
}
}
// If pg_name set to 'no_view' it gives output from the controller.
// Use it to output json, xml, ...
//
// $this->app->pg_name = 'pages/override'; in the controller
// overrides the default page
if (!($this->pg_name == 'no_view')) {
$this->view->render($this->pg_name);
}
}