feat: cache and $res

Author: devxian96

README.md

@@ -11,9 +11,9 @@ Minimalist web framework for [PHP](https://www.php.net/)
   require 'phpExpress.php';
   $app = new phpExpress();
 
-  $app->get('/', function ($req) {
-      return "Hello World";
+  $app->get('/', function ($req, $res) {
+      $res->send("Hello World");
   });
-  
+
   $app->listen();
 ```

lib/phpExpress.php

@@ -17,7 +17,6 @@ public function __construct()
         ob_start('ob_gzhandler'); //gzip
         header_remove('X-Powered-By'); // server type remove
         header_remove('Host'); // (https://webhint.io/docs/user-guide/hints/hint-no-disallowed-headers/?source=devtools)
-        header("Cache-Control: no-cache"); // (https://webhint.io/docs/user-guide/hints/hint-http-cache/?source=devtools)
         if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on') {
             $url = "https://";
         } else {
@@ -32,8 +31,14 @@ public function __construct()
         $this->req = json_decode(file_get_contents('php://input'), true);
     }
 
-    public static function send($result)
+    public static function send($result, $cache = false)
     {
+        if ($cache) {
+            header("Cache-Control: max-age=3600"); // (https://webhint.io/docs/user-guide/hints/hint-http-cache/?source=devtools)
+        } else {
+            header("Cache-Control: no-cache");
+        }
+
         if (is_object($result)) { // JSON
             header('content-type: application/json; charset=utf-8');
             $len = strlen(json_encode($result));
@@ -109,7 +114,7 @@ public function get($parm, $function)
         }
 
         http_response_code(200);
-        $this->send($function($this->req));
+        $function($this->req, $this);
     }
 
     public function post($parm, $function)

test/get.test.php

@@ -5,9 +5,9 @@
 
 // Request : http://localhost:3000/test/get.test.php/3/get
 // Result : 3
-$app->get('/{id}/get', static function ($req) {
+$app->get('/{id}/get', function ($req, $res) {
     try {
-        return $req["id"];
+        $res->send($req["id"]);
     } catch (Exception $e) {
         http_response_code(500);
         return $e;
@@ -16,9 +16,9 @@
 
 // Request : http://localhost:3000/test/get.test.php/test
 // Result : phpExpress
-$app->get('/test', static function ($req) {
+$app->get('/test', function ($req, $res) {
     try {
-        return "phpExpress";
+        $res->send("phpExpress");
     } catch (Exception $e) {
         http_response_code(500);
         return $e;
@@ -27,9 +27,9 @@
 
 // Request : http://localhost:3000/test/get.test.php/test2
 // Result : {"msg":"phpExpress"}
-$app->get('/test2', static function ($req) {
+$app->get('/test2', function ($req, $res) {
     try {
-        return (object) ["msg" => "phpExpress"];
+        $res->send((object) ["msg" => "phpExpress"]);
     } catch (Exception $e) {
         http_response_code(500);
         return $e;