how to upgrade version laravel code example

Example 1: update php version in laravel

"config": {
    "platform": {
        "php": "7.0.7"
    },
    "preferred-install": "dist",
    "optimize-autoloader": true
}

run composer install

Example 2: laravel update

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

Example 3: laravel update

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

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

$flight->save();

Example 4: laravel 7 upgrade

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

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

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