Initial commit of LightMVC framework files.

core/Application.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Core;
+
+class Application
+{
+    public static string $ROOT_DIR;
+    public Router $router;
+    public Request $request;
+    public Response $response;
+    public View $view;
+    public static Application $app;
+
+    public function __construct($rootPath)
+    {
+        self::$ROOT_DIR = $rootPath;
+        self::$app = $this;
+        $this->request = new Request();
+        $this->response = new Response();
+        $this->view = new View();
+        $this->router = new Router($this->request, $this->response);
+    }
+
+    public function run()
+    {
+        echo $this->router->resolve();
+    }
+}

core/Controller.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Core;
+
+class Controller
+{
+    public function render($view, $params = [])
+    {
+        return Application::$app->router->renderView($view, $params);
+    }
+}

core/Request.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Core;
+
+class Request
+{
+    public function getPath()
+    {
+        $path = $_SERVER['REQUEST_URI'] ?? '/';
+        $position = strpos($path, '?');
+        if ($position === false) {
+            return $path;
+        }
+        return substr($path, 0, $position);
+    }
+
+    public function getMethod()
+    {
+        return strtolower($_SERVER['REQUEST_METHOD']);
+    }
+
+    public function getBody()
+    {
+        $body = [];
+        if ($this->getMethod() === 'get') {
+            foreach ($_GET as $key => $value) {
+                $body[$key] = filter_input(INPUT_GET, $key, FILTER_SANITIZE_SPECIAL_CHARS);
+            }
+        }
+        if ($this->getMethod() === 'post') {
+            foreach ($_POST as $key => $value) {
+                $body[$key] = filter_input(INPUT_POST, $key, FILTER_SANITIZE_SPECIAL_CHARS);
+            }
+        }
+        return $body;
+    }
+}

core/Response.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Core;
+
+class Response
+{
+    public function setStatusCode(int $code)
+    {
+        http_response_code($code);
+    }
+}

core/Router.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Core;
+
+class Router
+{
+    protected array $routes = [];
+    public Request $request;
+    public Response $response;
+
+    public function __construct(Request $request, Response $response)
+    {
+        $this->request = $request;
+        $this->response = $response;
+    }
+
+    public function get($path, $callback)
+    {
+        $this->routes['get'][$path] = $callback;
+    }
+
+    public function post($path, $callback)
+    {
+        $this->routes['post'][$path] = $callback;
+    }
+
+    public function resolve()
+    {
+        $path = $this->request->getPath();
+        $method = $this->request->getMethod();
+        $callback = $this->routes[$method][$path] ?? false;
+
+        if ($callback === false) {
+            $this->response->setStatusCode(404);
+            return $this->renderView("_404");
+        }
+
+        if (is_string($callback)) {
+            return $this->renderView($callback);
+        }
+
+        if (is_array($callback)) {
+            $callback[0] = new $callback[0]();
+        }
+
+        return call_user_func($callback, $this->request);
+    }
+
+    public function renderView($view, $params = [])
+    {
+        return Application::$app->view->renderView($view, $params);
+    }
+}

core/View.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Core;
+
+class View
+{
+    public function renderView($view, $params = [])
+    {
+        $viewContent = $this->renderOnlyView($view, $params);
+        $layoutContent = $this->layoutContent();
+        return str_replace('{{content}}', $viewContent, $layoutContent);
+    }
+
+    protected function layoutContent()
+    {
+        ob_start();
+        include_once Application::$ROOT_DIR . "/app/Views/layouts/main.php";
+        return ob_get_clean();
+    }
+
+    protected function renderOnlyView($view, $params)
+    {
+        foreach ($params as $key => $value) {
+            $$key = $value;
+        }
+        ob_start();
+        include_once Application::$ROOT_DIR . "/app/Views/$view.php";
+        $content = ob_get_clean();
+        
+        // Simple {{variable}} replacement
+        foreach ($params as $key => $value) {
+            if (is_scalar($value)) {
+                $content = str_replace('{{'.$key.'}}', $value, $content);
+            }
+        }
+        
+        return $content;
+    }
+}