update to laravel 8 code example

Example 1: laravel update

<!-mass update-->
App\Models\Flight::where('active', 1)
          ->where('destination', 'San Diego')
          ->update(['delayed' => 1]);

Example 2: laravel update

$flight = App\Models\Flight::find(1);

$flight->name = 'New Flight Name';

$flight->save();

Example 3: laravel 7 upgrade

$>which composer
/usr/local/bin/composer

$>php -d memory_limit=512M /usr/local/bin/composer update
...

Example 4: laravel 7 to 8 update code ?

Route::get('/profile/{location}', function ($location = null) {
    //
})->name('profile');

// Laravel 5.8: http://example.com/profile/active
echo route('profile', ['status' => 'active' => 'inActive']);

// Laravel 6.0: http://example.com/profile?status=active
echo route('profile', ['status' => 'active']);

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