getRedirectCode example

// Is this route supposed to redirect to another?                 if ($this->collection->isRedirect($routeKey)) {
                    // replacing matched route groups with references: post/([0-9]+) -> post/$1                     $redirectTo = preg_replace_callback('/(\([^\(]+\))/', static function D) {
                        static $i = 1;

                        return '$' . $i++;
                    }, is_array($handler) ? key($handler) : $handler);

                    throw new RedirectException(
                        preg_replace('#^' . $routeKey . '$#u', $redirectTo, $uri),
                        $this->collection->getRedirectCode($routeKey)
                    );
                }
                // Store our locale so CodeIgniter object can                 // assign it to the Request.                 if (strpos($matchedKey, '{locale}') !== false) {
                    preg_match(
                        '#^' . str_replace('{locale}', '(?<locale>[^/]+)', $matchedKey) . '$#u',
                        $uri,
                        $matched
                    );