php-debugbar php8.1 prep: fatal error, "During inheritance of ArrayAccess: Uncaught ErrorException:"

running a quick test of latest 8.1 RC

php -v
	PHP 8.1.0RC3 (cli) (built: Sep 28 2021 21:40:07) (NTS gcc x86_64)
	Copyright (c) The PHP Group
	Zend Engine v4.1.0RC3, Copyright (c) Zend Technologies
	    with Zend OPcache v8.1.0RC3, Copyright (c), by Zend Technologies
	    with Xdebug v3.1.0beta2, Copyright (c) 2002-2021, by Derick Rethans

with

composer show | egrep -i "debugbar|laravel/framework"
	barryvdh/laravel-debugbar            v3.6.2             PHP Debugbar integration for Laravel
	laravel/framework                    v8.62.0            The Laravel Framework.
	maximebf/debugbar                    v1.17.1            Debug bar in the browser for php application

artisan info

   Symfony\Component\ErrorHandler\Error\FatalError 

  During inheritance of ArrayAccess: Uncaught ErrorException: Return type of DebugBar\DebugBar::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /test/laravel/vendor/maximebf/debugbar/src/DebugBar/DebugBar.php:484
Stack trace:
#0 /test/laravel/vendor/maximebf/debugbar/src/DebugBar/DebugBar.php(29): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8192, 'Return type of ...', '/test/l...', 484)
#1 /test/laravel/vendor/composer/ClassLoader.php(571): include('/test/l...')
#2 /test/laravel/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/test/l...')
#3 /test/laravel/vendor/barryvdh/laravel-debugbar/src/LaravelDebugbar.php(57): Composer\Autoload\ClassLoader->loadClass('DebugBar\\DebugB...')
#4 /test/laravel/vendor/composer/ClassLoader.php(571): include('/test/l...')
#5 /test/laravel/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/test/l...')
#6 /test/laravel/vendor/barryvdh/laravel-debugbar/src/ServiceProvider.php(37): Composer\Autoload\ClassLoader->loadClass('Barryvdh\\Debugb...')
#7 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(873): Barryvdh\Debugbar\ServiceProvider->Barryvdh\Debugbar\{closure}(Object(Illuminate\Foundation\Application), Array)
#8 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(758): Illuminate\Container\Container->build(Object(Closure))
#9 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(841): Illuminate\Container\Container->resolve('Barryvdh\\Debugb...', Array, true)
#10 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(694): Illuminate\Foundation\Application->resolve('Barryvdh\\Debugb...', Array)
#11 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(826): Illuminate\Container\Container->make('Barryvdh\\Debugb...', Array)
#12 /test/laravel/vendor/barryvdh/laravel-debugbar/src/ServiceProvider.php(60): Illuminate\Foundation\Application->make('Barryvdh\\Debugb...')
#13 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(767): Barryvdh\Debugbar\ServiceProvider->Barryvdh\Debugbar\{closure}(Object(Illuminate\View\Engines\EngineResolver), Object(Illuminate\Foundation\Application))
#14 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(841): Illuminate\Container\Container->resolve('view.engine.res...', Array, true)
#15 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(694): Illuminate\Foundation\Application->resolve('view.engine.res...', Array)
#16 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(826): Illuminate\Container\Container->make('view.engine.res...', Array)
#17 /test/laravel/vendor/facade/ignition/src/IgnitionServiceProvider.php(455): Illuminate\Foundation\Application->make('view.engine.res...')
#18 /test/laravel/vendor/facade/ignition/src/IgnitionServiceProvider.php(155): Facade\Ignition\IgnitionServiceProvider->hasCustomViewEnginesRegistered()
#19 /test/laravel/vendor/facade/ignition/src/IgnitionServiceProvider.php(98): Facade\Ignition\IgnitionServiceProvider->registerViewEngines()
#20 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(36): Facade\Ignition\IgnitionServiceProvider->boot()
#21 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Util.php(40): Illuminate\Container\BoundMethod::Illuminate\Container\{closure}()
#22 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(93): Illuminate\Container\Util::unwrapIfClosure(Object(Closure))
#23 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(37): Illuminate\Container\BoundMethod::callBoundMethod(Object(Illuminate\Foundation\Application), Array, Object(Closure))
#24 /test/laravel/vendor/laravel/framework/src/Illuminate/Container/Container.php(653): Illuminate\Container\BoundMethod::call(Object(Illuminate\Foundation\Application), Array, Array, NULL)
#25 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(914): Illuminate\Container\Container->call(Array)
#26 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(895): Illuminate\Foundation\Application->bootProvider(Object(Facade\Ignition\IgnitionServiceProvider))
#27 [internal function]: Illuminate\Foundation\Application->Illuminate\Foundation\{closure}(Object(Facade\Ignition\IgnitionServiceProvider), 16)
#28 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(896): array_walk(Array, Object(Closure))
#29 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/BootProviders.php(17): Illuminate\Foundation\Application->boot()
#30 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(237): Illuminate\Foundation\Bootstrap\BootProviders->bootstrap(Object(Illuminate\Foundation\Application))
#31 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(310): Illuminate\Foundation\Application->bootstrapWith(Array)
#32 /test/laravel/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(127): Illuminate\Foundation\Console\Kernel->bootstrap()
#33 /test/laravel/artisan(37): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#34 {main}

  at vendor/maximebf/debugbar/src/DebugBar/DebugBar.php:29
     25▕  *     $debugbar->addCollector(new DataCollector\MessagesCollector());
     26▕  *     $debugbar['messages']->addMessage("foobar");
     27▕  * </code>
     28▕  */
  ➜  29▕ class DebugBar implements ArrayAccess
     30▕ {
     31▕     public static $useOpenHandlerWhenSendingDataHeaders = false;
     32▕
     33▕     protected $collectors = array();


   Whoops\Exception\ErrorException

drop back to

php -v
	PHP 8.0.11 (cli) (built: Sep 21 2021 17:07:44) ( NTS gcc x86_64 )
	Copyright (c) The PHP Group
	Zend Engine v4.0.11, Copyright (c) Zend Technologies
	    with Zend OPcache v8.0.11, Copyright (c), by Zend Technologies

, all's good

Sep 30 '21 14:09 pgnd

Update composer.json on your laravel project. like this

{ "name": "laravel/laravel", "type": "project", "description": "The Laravel Framework.", "keywords": ["framework", "laravel"], "license": "MIT", "require": { "php": "^7.3|^8.0", "fideloper/proxy": "^4.4", "fruitcake/laravel-cors": "^2.0", "guzzlehttp/guzzle": "^7.0.1", "laravel/framework": "^8.40", "laravel/tinker": "^2.5" }, "require-dev": { "facade/ignition": "^2.5", "fakerphp/faker": "^1.9.1", "laravel/sail": "^1.0.1", "laravel/ui": "^3.3", "mockery/mockery": "^1.4.2", "nunomaduro/collision": "^5.0", "phpunit/phpunit": "^9.3.3" }, "autoload": { "psr-4": { "App\": "app/", "Database\Factories\": "database/factories/", "Database\Seeders\": "database/seeders/" } }, "autoload-dev": { "psr-4": { "Tests\": "tests/" } }, "scripts": { "post-autoload-dump": [ "Illuminate\Foundation\ComposerScripts::postAutoloadDump", "@php artisan package:discover --ansi" ], "post-root-package-install": [ "@php -r "file_exists('.env') || copy('.env.example', '.env');"" ], "post-create-project-cmd": [ "@php artisan key:generate --ansi" ] }, "extra": { "laravel": { "dont-discover": [] } }, "config": { "optimize-autoloader": true, "preferred-install": "dist", "sort-packages": true }, "minimum-stability": "dev", "prefer-stable": true }

run composer update

Dec 21 '21 07:12 AhmadSudirman7

Did you recently upgrade your PHP version while working on the project?

Dec 26 '21 05:12 Tsdjimmy

Yes @Tsdjimmy : I recently upgraded my PHP version from PHP7 to PHP8.. What is its solution..?

Jan 05 '22 14:01 ghulamakbar14

Yes @Tsdjimmy : I recently upgraded my PHP version from PHP7 to PHP8.. What is its solution..?

Run composer update. Let me know if it worked.

Jan 05 '22 14:01 Tsdjimmy

Yes @Tsdjimmy : I recently upgraded my PHP version from PHP7 to PHP8.. What is its solution..?

Run composer update. Let me know if it worked.

Thank you sir, It works for me

Jan 13 '22 07:01 Zeon8985Army

You are welcome, Sir. @Zeon8985Army

Jan 13 '22 08:01 Tsdjimmy

Yes @Tsdjimmy : I recently upgraded my PHP version from PHP7 to PHP8.. What is its solution..?

Run composer update. Let me know if it worked.

It worked. Thank You.

Jan 22 '22 18:01 ziprasidone146939277

Update composer.json on your laravel project. like this

{ "name": "laravel/laravel", "type": "project", "description": "The Laravel Framework.", "keywords": ["framework", "laravel"], "license": "MIT", "require": { "php": "^7.3|^8.0", "fideloper/proxy": "^4.4", "fruitcake/laravel-cors": "^2.0", "guzzlehttp/guzzle": "^7.0.1", "laravel/framework": "^8.40", "laravel/tinker": "^2.5" }, "require-dev": { "facade/ignition": "^2.5", "fakerphp/faker": "^1.9.1", "laravel/sail": "^1.0.1", "laravel/ui": "^3.3", "mockery/mockery": "^1.4.2", "nunomaduro/collision": "^5.0", "phpunit/phpunit": "^9.3.3" }, "autoload": { "psr-4": { "App": "app/", "Database\Factories": "database/factories/", "Database\Seeders": "database/seeders/" } }, "autoload-dev": { "psr-4": { "Tests": "tests/" } }, "scripts": { "post-autoload-dump": [ "Illuminate\Foundation\ComposerScripts::postAutoloadDump", "@php artisan package:discover --ansi" ], "post-root-package-install": [ "@php -r "file_exists('.env') || copy('.env.example', '.env');"" ], "post-create-project-cmd": [ "@php artisan key:generate --ansi" ] }, "extra": { "laravel": { "dont-discover": [] } }, "config": { "optimize-autoloader": true, "preferred-install": "dist", "sort-packages": true }, "minimum-stability": "dev", "prefer-stable": true }

run composer update

@AhmadSudirman7 thanks, It is works for me

Jan 24 '22 14:01 MarcTSIVANYO

Script @php artisan package:discover handling the post-autoload-dump event returned with error code 255 please solve this error

Feb 11 '22 13:02 Rikhav1203

Script @php artisan package:discover handling the post-autoload-dump event returned with error code 255 please solve this error

Share your error messages

Feb 11 '22 13:02 Tsdjimmy

Update composer.json on your laravel project. like this

{ "name": "laravel/laravel", "type": "project", "description": "The Laravel Framework.", "keywords": ["framework", "laravel"], "license": "MIT", "require": { "php": "^7.3|^8.0", "fideloper/proxy": "^4.4", "fruitcake/laravel-cors": "^2.0", "guzzlehttp/guzzle": "^7.0.1", "laravel/framework": "^8.40", "laravel/tinker": "^2.5" }, "require-dev": { "facade/ignition": "^2.5", "fakerphp/faker": "^1.9.1", "laravel/sail": "^1.0.1", "laravel/ui": "^3.3", "mockery/mockery": "^1.4.2", "nunomaduro/collision": "^5.0", "phpunit/phpunit": "^9.3.3" }, "autoload": { "psr-4": { "App": "app/", "Database\Factories": "database/factories/", "Database\Seeders": "database/seeders/" } }, "autoload-dev": { "psr-4": { "Tests": "tests/" } }, "scripts": { "post-autoload-dump": [ "Illuminate\Foundation\ComposerScripts::postAutoloadDump", "@php artisan package:discover --ansi" ], "post-root-package-install": [ "@php -r "file_exists('.env') || copy('.env.example', '.env');"" ], "post-create-project-cmd": [ "@php artisan key:generate --ansi" ] }, "extra": { "laravel": { "dont-discover": [] } }, "config": { "optimize-autoloader": true, "preferred-install": "dist", "sort-packages": true }, "minimum-stability": "dev", "prefer-stable": true }
2. run composer update

thankyou

Feb 17 '22 07:02 ezradio1

My whole problem was that my Laravel version was ^8.0, then I changed for Laravel ^8.4 and I was golden.

Thanks everyone for the great help

Feb 18 '22 03:02 Lukmauu

I got into dependency conflict hell but the principle of the fix was the same as most others here: upgrading.

Unfortunately, I was plagued with the error(s) here that prevented upgrading/updating in the process.

To side-step these issues, I deleted the post-autoload-dump scripts in my composer.json. I went from this:

    "scripts": {
        "post-autoload-dump": [
            "Illuminate\\Foundation\\ComposerScripts::postAutoloadDump",
            "@php artisan package:discover"
        ]
    }

...to this:

    "scripts": {
        "post-autoload-dump": []
    }

Once packages were successfully updated/upgraded I re-enabled the scrips, and things worked wonderfully. 👌

Feb 26 '22 21:02 joelmellon

composer update don't work for me

Apr 01 '22 17:04 divyesh1354

i had the same Issue too. I fixed it by changing "laravel/framework": "8.12." to "laravel/framework": "8.^ "

I hope this helps someone

Apr 29 '22 14:04 fummeys

Is composer update the best fix?

Apr 29 '22 18:04 Tsdjimmy

During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should ei
ther be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to te
mporarily

May 20 '22 14:05 Algorithme123

Your requirements could not be resolved to an installable set of packages.

Problem 1 - maatwebsite/excel[3.1.28, ..., 3.1.30] require phpoffice/phpspreadsheet 1.16.* -> satisfiable by phpoffice/phpspreadsheet[1.16.0]. - maatwebsite/excel[3.1.31, ..., 3.1.x-dev] require phpoffice/phpspreadsheet ^1.18 -> satisfiable by phpoffice/phpspreadsheet[1.18.0, ..., 1.23.0]. - maatwebsite/excel 3.1.27 requires phpoffice/phpspreadsheet ^1.16 -> satisfiable by phpoffice/phpspreadsheet[1.16.0, ..., 1.23.0]. - maatwebsite/excel 3.1.26 requires phpoffice/phpspreadsheet ^1.15 -> satisfiable by phpoffice/phpspreadsheet[1.15.0, ..., 1.23.0]. - maatwebsite/excel[3.1.0, ..., 3.1.25] require php ^7.0 -> your php version (8.1.5) does not satisfy that requirement. - phpoffice/phpspreadsheet[1.15.0, ..., 1.23.0] require ext-gd * -> it is missing from your system. Install or enable PHP's gd extension.
- Root composer.json requires maatwebsite/excel ^3.1 -> satisfiable by maatwebsite/excel[3.1.0, ..., 3.1.x-dev].

To enable extensions, verify that they are enabled in your .ini files: - C:\xampp\php\php.ini You can also run php --ini in a terminal to see which files are used by PHP in CLI mode. Alternatively, you can run Composer with --ignore-platform-req=ext-gd to temporarily ignore these required extensions.

how to resolve this issue. please help me ?

May 25 '22 10:05 jishnukb2022

Update composer.json on your laravel project. like this

{ "name": "laravel/laravel", "type": "project", "description": "The Laravel Framework.", "keywords": ["framework", "laravel"], "license": "MIT", "require": { "php": "^7.3|^8.0", "fideloper/proxy": "^4.4", "fruitcake/laravel-cors": "^2.0", "guzzlehttp/guzzle": "^7.0.1", "laravel/framework": "^8.40", "laravel/tinker": "^2.5" }, "require-dev": { "facade/ignition": "^2.5", "fakerphp/faker": "^1.9.1", "laravel/sail": "^1.0.1", "laravel/ui": "^3.3", "mockery/mockery": "^1.4.2", "nunomaduro/collision": "^5.0", "phpunit/phpunit": "^9.3.3" }, "autoload": { "psr-4": { "App": "app/", "Database\Factories": "database/factories/", "Database\Seeders": "database/seeders/" } }, "autoload-dev": { "psr-4": { "Tests": "tests/" } }, "scripts": { "post-autoload-dump": [ "Illuminate\Foundation\ComposerScripts::postAutoloadDump", "@php artisan package:discover --ansi" ], "post-root-package-install": [ "@php -r "file_exists('.env') || copy('.env.example', '.env');"" ], "post-create-project-cmd": [ "@php artisan key:generate --ansi" ] }, "extra": { "laravel": { "dont-discover": [] } }, "config": { "optimize-autoloader": true, "preferred-install": "dist", "sort-packages": true }, "minimum-stability": "dev", "prefer-stable": true }

run composer update

this works for me

May 27 '22 03:05 mcasensi

Reference

maturnuwun mas

Jul 05 '22 12:07 muhammad-ulinuha

Illuminate\Foundation\ComposerScripts::postAutoloadDump @php artisan package:discover --ansi PHP Fatal error: Declaration of App\Exceptions\Handler::report(Exception $exception) must be compatible with Illuminate\Foundation\Exceptions\Handler::report(Throwable $e) in /home/joestack/Documents/project2022/tudirichweb/app/Exceptions/Handler.php on line 33 PHP Fatal error: Uncaught ReflectionException: Class "App\Exceptions\Handler" does not exist in /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php:877 Stack trace: #0 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(877): ReflectionClass->__construct() #1 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(758): Illuminate\Container\Container->build() #2 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(851): Illuminate\Container\Container->resolve() #3 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(296): Illuminate\Foundation\Application->resolve() #4 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(873): Illuminate\Container\Container->Illuminate\Container{closure}() #5 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(758): Illuminate\Container\Container->build() #6 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(851): Illuminate\Container\Container->resolve() #7 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(694): Illuminate\Foundation\Application->resolve() #8 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(836): Illuminate\Container\Container->make() #9 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(254): Illuminate\Foundation\Application->make() #10 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(185): Illuminate\Foundation\Bootstrap\HandleExceptions->getExceptionHandler() #11 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(171): Illuminate\Foundation\Bootstrap\HandleExceptions->renderForConsole() #12 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(209): Illuminate\Foundation\Bootstrap\HandleExceptions->handleException() #13 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleShutdown() #14 {main}

Next Illuminate\Contracts\Container\BindingResolutionException: Target class [App\Exceptions\Handler] does not exist. in /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php:879 Stack trace: #0 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(758): Illuminate\Container\Container->build() #1 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(851): Illuminate\Container\Container->resolve() #2 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(296): Illuminate\Foundation\Application->resolve() #3 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(873): Illuminate\Container\Container->Illuminate\Container{closure}() #4 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(758): Illuminate\Container\Container->build() #5 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(851): Illuminate\Container\Container->resolve() #6 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(694): Illuminate\Foundation\Application->resolve() #7 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(836): Illuminate\Container\Container->make() #8 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(254): Illuminate\Foundation\Application->make() #9 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(185): Illuminate\Foundation\Bootstrap\HandleExceptions->getExceptionHandler() #10 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(171): Illuminate\Foundation\Bootstrap\HandleExceptions->renderForConsole() #11 /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(209): Illuminate\Foundation\Bootstrap\HandleExceptions->handleException() #12 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleShutdown() #13 {main} thrown in /home/joestack/Documents/project2022/tudirichweb/vendor/laravel/framework/src/Illuminate/Container/Container.php on line 879 Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 255

am getting this error

Jul 08 '22 00:07 joestaxk

trying to update composer Problem 1 - Root composer.json requires php ^7.1.3 but your php version (8.1.6) does not satisfy that requirement. Problem 2 - laravel/framework[v5.8.0, ..., 5.8.x-dev] require php ^7.1.3 -> your php version (8.1.6) does not satisfy that requirement. - Root composer.json requires laravel/framework 5.8.* -> satisfiable by laravel/framework[v5.8.0, ..., 5.8.x-dev].

Aug 11 '22 06:08 Aqib133

], "post-root-package-install": [ "@php -r "file_exists('.env') || copy('.env.example', '.env');"" ], "post-create-project-cmd": [ "@php artisan key:generate --ansi"

It's work for me, thanks

Aug 29 '22 12:08 DevAmma237

Here is what worked for me PHP Issue Laravel

Sep 06 '22 09:09 geoker

Yes @Tsdjimmy : I recently upgraded my PHP version from PHP7 to PHP8.. What is its solution..?

Run composer update. Let me know if it worked.

This works!

Dec 08 '22 09:12 91Abdullah

thanks

Dec 09 '22 20:12 Algorithme123

Awesome!

Dec 26 '22 10:12 Tsdjimmy

I updated the composer but I am still getting this error, And This is my error when i am running php artisan serve

PHP Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\Collection.php:1443 Stack trace: #0 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\Collection.php(13): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8192, 'Return type of ...', 'E:\xampp\htdocs...', 1443) #1 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\composer\ClassLoader.php(571): include('E:\xampp\htdocs...') #2 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\composer\ClassLoader.php(428): Composer\Autoload\includeFile('E:\xampp\htdocs...') #3 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\helpers.php(15): Composer\Autoload\ClassLoader->loadClass('Illuminate\Supp...') #4 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(89): collect(Array) #5 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(78): Illuminate\Foundation\PackageManifest->config('aliases') #6 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\RegisterFacades.php(26): Illuminate\Foundation\PackageManifest->aliases() #7 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(237): Illuminate\Foundation\Bootstrap\RegisterFacades->bootstrap(Object(Illuminate\Foundation\Application)) #8 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(310): Illuminate\Foundation\Application->bootstrapWith(Array) #9 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(127): Illuminate\Foundation\Console\Kernel->bootstrap() #10 E:\xampp\htdocs\Laravel\AdminLudoLaravel\artisan(35): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #11 {main} in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\Collection.php on line 13 PHP Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\helpers.php:15 Stack trace: #0 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Support\Traits\ReflectsClosures.php(24): collect(Array) #1 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Support\Traits\ReflectsClosures.php(44): Illuminate\Foundation\Exceptions\ReportableHandler->closureParameterTypes(Object(Closure)) #2 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Exceptions\ReportableHandler.php(62): Illuminate\Foundation\Exceptions\ReportableHandler->firstClosureParameterType(Object(Closure)) #3 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Exceptions\Handler.php(234): Illu#4 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\HandleExceptions.php(88): Illuminate\Foundation\Exceptions\Handler->report(Object(Symfony\Component\ErrorHandler\Error\FatalError)) #5 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\HandleExceptions.php(130): Illuminate\Foundation\Bootstrap\HandleExceptions->handleException(Object(Symfony\Component\ErrorHandler\Error\FatalError))
#6 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleShutdown() #7 {main} thrown in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\helpers.php on line 15 PS E:\xampp\htdocs\Laravel\AdminLudoLaravel> php artisan --version PHP Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\Collection.php:1443 Stack trace: #0 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\Collection.php(13): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8192, 'Return type of ...', 'E:\xampp\htdocs...', 1443) #1 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\composer\ClassLoader.php(571): include('E:\xampp\htdocs...') #2 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\composer\ClassLoader.php(428): Composer\Autoload\includeFile('E:\xampp\htdocs...') #3 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\helpers.php(15): Composer\Autoload\ClassLoader->loadClass('Illuminate\Supp...') #4 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(89): collect(Array) #5 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(78): Illuminate\Foundation\PackageManifest->config('aliases') #6 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\RegisterFacades.php(26): Illuminate\Foundation\PackageManifest->aliases() #7 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(237): Illuminate\Foundation\Bootstrap\RegisterFacades->bootstrap(Object(Illuminate\Foundation\Application)) #8 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(310): Illuminate\Foundation\Application->bootstrapWith(Array) #9 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(127): Illuminate\Foundation\Console\Kernel->bootstrap() #10 E:\xampp\htdocs\Laravel\AdminLudoLaravel\artisan(35): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #11 {main} in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\Collection.php on line 13 PHP Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\helpers.php:15 Stack trace: #0 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Support\Traits\ReflectsClosures.php(24): collect(Array) #1 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Support\Traits\ReflectsClosures.php(44): Illuminate\Foundation\Exceptions\ReportableHandler->closureParameterTypes(Object(Closure)) #2 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Exceptions\ReportableHandler.php(62): Illuminate\Foundation\Exceptions\ReportableHandler->firstClosureParameterType(Object(Closure)) #3 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Exceptions\Handler.php(234): Illuminate\Foundation\Exceptions\ReportableHandler->handles(Object(Symfony\Component\ErrorHandler\Error\FatalError)) #4 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\HandleExceptions.php(88): Illuminate\Foundation\Exceptions\Handler->report(Object(Symfony\Component\ErrorHandler\Error\FatalError)) #5 E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\HandleExceptions.php(130): Illuminate\Foundation\Bootstrap\HandleExceptions->handleException(Object(Symfony\Component\ErrorHandler\Error\FatalError))
#6 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleShutdown() #7 {main} thrown in E:\xampp\htdocs\Laravel\AdminLudoLaravel\vendor\laravel\framework\src\Illuminate\Collections\helpers.php on line 15

Feb 15 '23 15:02 Aditya45678

error after composer update cmd - @php artisan package:discover --ansi

In Collection.php line 11:

During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should either be compatible with ArrayAccess::off setExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel \framework\src\Illuminate\Support\Collection.php:1349 Stack trace: #0 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Support\Collection.php(11): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8192, 'R eturn type of ...', 'C:\xampp\htdocs...', 1349) #1 C:\xampp\htdocs\Legal251-EP-Lara\vendor\composer\ClassLoader.php(582): include('C:\xampp\htdocs...') #2 C:\xampp\htdocs\Legal251-EP-Lara\vendor\composer\ClassLoader.php(433): Composer\Autoload{closure}('C:\xampp\htdocs...') #3 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Support\helpers.php(110): Composer\Autoload\ClassLoader->loadClass('Illuminate\Supp...') #4 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(130): collect(Array) #5 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(106): Illuminate\Foundation\PackageManifest->build() #6 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(89): Illuminate\Foundation\PackageManifest->getManifest() #7 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(78): Illuminate\Foundation\PackageManifest->config('aliases') #8 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\RegisterFacades.php(26): Illuminate\Foundation\PackageManifest->aliases() #9 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(230): Illuminate\Foundation\Bootstrap\RegisterFacades->bootstrap(Object (Illuminate\Foundation\Application)) #10 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(310): Illuminate\Foundation\Application->bootstrapWith(Array) #11 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(127): Illuminate\Foundation\Console\Kernel->bootstrap() #12 C:\xampp\htdocs\Legal251-EP-Lara\artisan(37): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Con sole\Output\ConsoleOutput)) #13 {main}

PHP Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Illuminate\Support\Collection::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Support\Collection.php:1349 Stack trace: #0 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Support\Collection.php(11): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(8192, 'Return type of ...', 'C:\xampp\htdocs...', 1349) #1 C:\xampp\htdocs\Legal251-EP-Lara\vendor\composer\ClassLoader.php(582): include('C:\xampp\htdocs...') #2 C:\xampp\htdocs\Legal251-EP-Lara\vendor\composer\ClassLoader.php(433): Composer\Autoload{closure}('C:\xampp\htdocs...') #3 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Support\helpers.php(110): Composer\Autoload\ClassLoader->loadClass('Illuminate\Supp...') #4 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(130): collect(Array) #5 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(106): Illuminate\Foundation\PackageManifest->build() #6 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(89): Illuminate\Foundation\PackageManifest->getManifest() #7 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\PackageManifest.php(78): Illuminate\Foundation\PackageManifest->config('aliases') #8 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\RegisterFacades.php(26): Illuminate\Foundation\PackageManifest->aliases() #9 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Application.php(230): Illuminate\Foundation\Bootstrap\RegisterFacades->bootstrap(Object(Illuminate\Foundation\Application)) #10 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(310): Illuminate\Foundation\Application->bootstrapWith(Array) #11 C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Foundation\Console\Kernel.php(127): Illuminate\Foundation\Console\Kernel->bootstrap() #12 C:\xampp\htdocs\Legal251-EP-Lara\artisan(37): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #13 {main} in C:\xampp\htdocs\Legal251-EP-Lara\vendor\laravel\framework\src\Illuminate\Support\Collection.php on line 11 Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 255

Feb 23 '23 06:02 YogeshGWappgo

The issue is caused by the incompatible versions of PHP and Laravel. Laravel 7 and lower don’t support PHP 8.1 (which comes with Ubuntu 22.04).

Feb 26 '23 16:02 sagar456-ops

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php8.1 prep: fatal error, "During inheritance of ArrayAccess: Uncaught ErrorException:"

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