/**
* Runs the callback for the given request.
*/
public static function dispatch()
{
// /root/route1/route2
$uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
// GET/POST/ANY
$method = $_SERVER['REQUEST_METHOD'];
// array - :any, :num, :all
$searches = array_keys(static::$patterns);
$replaces = array_values(static::$patterns);
// array - /root/, /root/route1/route2
self::$routes = str_replace('//', '/', self::$routes);
$found_route = false;
// parse query parameters
$query = '';
$q_arr = array();
if (strpos($uri, '&') > 0) {
$query = substr($uri, strpos($uri, '&') + 1);
$uri = substr($uri, 0, strpos($uri, '&'));
$q_arr = explode('&', $query);
foreach ($q_arr as $q) {
$qobj = explode('=', $q);
$q_arr[] = array($qobj[0] => $qobj[1]);
if (!isset($_GET[$qobj[0]])) {
$_GET[$qobj[0]] = $qobj[1];
}
}
}
// check if route is defined without regex
if (in_array($uri, self::$routes)) {
$route_pos = array_keys(self::$routes, $uri);
// foreach route position
foreach ($route_pos as $route) {
if (self::$methods[$route] == $method || self::$methods[$route] == 'ANY') {
$found_route = true;
//if route is not an object
if (!is_object(self::$callbacks[$route])) {
//call object controller and method
//namespace/controller/Class@method
self::invokeObject(self::$callbacks[$route]);
if (self::$halts) {
return;
}
} else {
//call closure
call_user_func(self::$callbacks[$route]);
if (self::$halts) {
return;
}
}
}
}
// end foreach
} else {
// check if defined with regex
$pos = 0;
// foreach routes
foreach (self::$routes as $route) {
$route = str_replace('//', '/', $route);
if (strpos($route, ':') !== false) {
$route = str_replace($searches, $replaces, $route);
}
if (preg_match('#^' . $route . '$#', $uri, $matched)) {
if (self::$methods[$pos] == $method || self::$methods[$pos] == 'ANY') {
$found_route = true;
//remove $matched[0] as [1] is the first parameter.
array_shift($matched);
if (!is_object(self::$callbacks[$pos])) {
//call object controller and method
self::invokeObject(self::$callbacks[$pos], $matched);
if (self::$halts) {
return;
}
} else {
//call closure
call_user_func_array(self::$callbacks[$pos], $matched);
if (self::$halts) {
return;
}
}
}
}
++$pos;
}
// end foreach
}
if (self::$fallback) {
//call the auto dispatch method
$found_route = self::autoDispatch();
}
// run the error callback if the route was not found
if (!$found_route) {
if (!self::$errorCallback) {
self::$errorCallback = function () {
header("{$_SERVER['SERVER_PROTOCOL']} 404 Not Found");
View::responseDefault('404');
};
}
if (!is_object(self::$errorCallback)) {
//call object controller and method
self::invokeObject(self::$errorCallback, null, 'No routes found.');
if (self::$halts) {
return;
}
} else {
call_user_func(self::$errorCallback);
if (self::$halts) {
return;
}
}
}
}
