laravel6から7にアップグレードする。

app/Exceptions/Handler.php

@@ -2,8 +2,8 @@
 
 namespace App\Exceptions;
 
-use Exception;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
+use Throwable;
 
 class Handler extends ExceptionHandler
 {
@@ -29,10 +29,12 @@ class Handler extends ExceptionHandler
     /**
      * Report or log an exception.
      *
-     * @param  \Exception  $exception
+     * @param  \Throwable  $exception
      * @return void
+     *
+     * @throws \Exception
      */
-    public function report(Exception $exception)
+    public function report(Throwable $exception)
     {
         parent::report($exception);
     }
@@ -41,10 +43,12 @@ public function report(Exception $exception)
      * Render an exception into an HTTP response.
      *
      * @param  \Illuminate\Http\Request  $request
-     * @param  \Exception  $exception
-     * @return \Illuminate\Http\Response
+     * @param  \Throwable  $exception
+     * @return \Symfony\Component\HttpFoundation\Response
+     *
+     * @throws \Throwable
      */
-    public function render($request, Exception $exception)
+    public function render($request, Throwable $exception)
     {
         return parent::render($request, $exception);
     }

composer.json

@@ -5,23 +5,24 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": "^7.1.3",
+        "php": "^7.2.5",
         "ext-mbstring": "*",
         "ext-pdo": "*",
         "doctrine/dbal": "2.10.1",
         "fideloper/proxy": "4.3.0",
-        "laravel/framework": "6.18.1",
-        "laravel/helpers": "1.1.1",
+        "laravel/framework": "7.1.2",
+        "laravel/helpers": "1.2.0",
         "laravel/tinker": "2.2.0",
         "laravelcollective/html": "6.1.0",
-        "willvincent/feeds": "2.0.0"
+        "willvincent/feeds": "2.1.0",
+	"laravel/ui": "~2.0"
     },
     "require-dev": {
         "barryvdh/laravel-ide-helper": "2.6.7",
         "filp/whoops": "2.7.1",
         "fzaninotto/faker": "1.9.1",
         "mockery/mockery": "1.3.1",
-        "nunomaduro/collision": "3.0.1",
+        "nunomaduro/collision": "4.1.3",
         "nunomaduro/larastan": "0.5.2",
         "phpstan/phpstan": "0.12.14",
         "phpunit/php-code-coverage": "8.0.1",