app/Http/Controllers/PostController.php

@@ -74,7 +74,7 @@ class PostController extends Controller
 		$comment->postID = $request->input('postID');
 		$comment->save();
 
-		return redirect()->route('show_post',['sub' => $request->input('sub'),'post_id' => $request->input(post_id_string)]);
+		return redirect()->route('show_post',['sub' => $request->input('sub'),'post_id' => $request->input('postID')]);
 	}
 
 	public static function generateFancyPostID(string $sub,string $title){

resources/views/wroteit/show_post.blade.php

@@ -12,7 +12,7 @@
             <label for="content">Content: </label><textarea rows="8" style="width: 1218px;" name="content" class="input" >{{ old('content')}}</textarea> <br /><br />
         </div>
         <div class="form-group">
-            <input type="hidden" name="sub" value="{{ $sub }}">
+            <input type="hidden" name="sub" value="{{ $post->subwroteit }}">
             <input type="hidden" name="postID" value="{{ $post->post_id_string }}">
             <button type="submit" class='btn btn-primary'>Publish</button>
         </div>

routes/web.php

@@ -41,6 +41,7 @@ Route::get('/list/all_topics','App\Http\Controllers\PostController@showTopics')-
 //new post stuff
 Route::get('/newpost/{sub}','App\Http\Controllers\PostController@newPost')->name('new_post');
 Route::post('/save_post','App\Http\Controllers\PostController@storeNewPost')->name('store_new_post');
+Route::post('/save_comment','App\Http\Controllers\PostController@storeNewComment')->name('store_new_comment');
 
 Route::middleware(['auth:sanctum', 'verified'])->get('/dashboard', function () {
     return view('dashboard');